After seeing how my phone sat and the ease of use I bought a second one to use in my private vehicle.

The phone sits in there fine and it’s nice that it

Lastly, when I charge the phone, I have to open a little "door" in the case and it is just slightly wider than the opening between the two bottom support legs, and the phone will not touch the supports.

This is a nifty phone holder.

That phone recently died, alas, and I upgraded to a 6 which was too large for my previous arrangement

Can tap without difficulties to be safe in answering emergency phone calls (I only answer/make emergency calls) at any time.

I'm a Lyft driver and a good phone mount is necessary

I have a mophie so my phone is kind of bulky and heavy.

Works very well...have used it hard for 2 weeks, big phone has not fallen out.

Excellent phone holder

I like the fact that the good vent clip system keeps my phone cool in the sunlight, whereas basically any other holder will ultimately result in a phone too hot to use or charge on a hot day

I really like this vent phone mount

Awesome phone holder !

Once you've attached it to the air vent, you just push the clamps in to secure your phone and be on your way.

The mount itself is okay when worked, however after few uses it can't hold up my phone

This is an excellent phone holder, and I would recommend it to anyone!Thanks Beam, for a great product!

They replaced the first phone mount that did not work very well in my wife's Toyota Highlander with a similar model that has a simple brace that allows the mount to rest firmly on the front face of the air vent

My phone stays secure even when I'm driving like an idiot 🙄

Works ok if phone vertical but if rotating horizontal, mount does not work as well.

I like the button in the back the releases the sides so a phone with a thick case or larger phones will fit nicely and keeps phone tightly in place.

This is a good phone holder for my car

It's a heavy phone and will weight the vent in your car down, but so far so good.

Holds the phone real right

Excellent vent phone mount

This thing really works great, holds your phone securely, and is easy to get your phone in and out of.

Best phone holder I've had

Holds my cell phone great hands free great for long rides in the car.

Overall, good phone holder but probably more suited for smaller phones

If the attachment isn't falling off the vent, then my phone is popping out of it

I have tried several vent phone holders, this is the first one that actually does what I want it to do.

My phone has been attached to the mount and fallen off of my air vent more than once and even cracked my phone screen

This Beam smart phone cradle attaches easily to your car air vent..no rocket science needed!

People don’t consider that in the car if you put your phone up in the windshield are how hot your phone gets

Was stable and did not shake the phone while driving.

Just what I needed, hold my oversized phone like a glove.y!

Vey stable and secures the phone great.

The best air vent phone holder I have owned

Clamps well into vent grill and holds phone very well.

However, the problem was that the swivel part would not stay in place, my phone would just randomly fall forward.

Hold my iPhone 8 with ease, can hold bigger phones as well.

I had what I considered to be, a great phone holder in my older car.

This one holds on to the vent flaps really well on every car I have tried it on, it is solid, easy to put the phone in and out of, and sturdy.

Extremely easy to take on/off your air vents and protects your phone as well

Stays in place, phone is secure.

It holds my phone nice and sturdy

This keeps my phone super secure and is so easy to put in and take out without worrying about it falling

Holds my phone nice and secure

Holds my phone securely and doesn't fall off when I drive over bumps, etc.

The only problem is it slips off when mounted sometimes, but it's the best phone holder I've used

This phone holder swivels when the phone is inserted and the phone falls out!

I couldn't use this car vent phone holder because the two pieces wouldn't fit together correctly.

It stays on my air vent and the phone stays secure in the holder

Best smart phone holder I ever owned.

This does the trick of holding the phone and design is good, it sticks out slightly from the vent in my car, but is probably less obtrusive in other cars.

You can rotate to position your phone how you like it.

The mount collapses with the phone then phone falls out

Great phone holder

This is the most well constructed phone mount I’ve ever seen

My phone always runs a little hot when I'm using the directional apps, but the A/C vent seems to help with keeping it cool.

Great little phone holder!

Holds phone well, secure and easy to use

I am able to secure the phone to the A/C vent and tighten the ball joint so the phone is securely attached to the holder

Phone is too too heavy so the unit wobbled too much and would drop the phone.

Stop looking around, trying to find the perfect phone holder, this is the perfect phone holder.

Otherwise, this is a great phone mount thus far and can hold a heavy big phone.

Excellent car air vent phone mount

Having a non-secured holder and phone unexpectantly fall from the vent is a major distraction while driving and a significant safety risk for the driver and others.

It holds my phone for a couple of days and then falls off the vent.

Great product, stays up on vent clip and phone doesn't fall off.

it’s like my phone is too heavy for

I bought a new car and was looking for a good phone holder

I bought vent phone holders previously but they would all break

Driving is so much easier (and SAFER) now that my phone is cradled in the air vent mount and not bouncing around my lap, counsel, falling under the seat.

I like the bottom lip as it helps to support the phone.

The tension will not hold phone in place

NOT the sexiest phone older out there (here's looking at you Wiz Gear) but definitely much better in terms of visibility when driving

I drive a Toyota prius and this has to be the best phone holder for my iphone

Secures phone in place, yet easy to release phone when departing vehicle.

It fit my phone well though

This is the best phone holder that I've found for my car (Hyundai Veloster)

The phone is well secured, but the mount does giggle a little when driving

The material seems high quality and I like the fact that it covers up the whole back of the phone so the phone won’t get hot (or cold) as the vent blows on it

Only issue is phone can get too hot in the winter with the car heater blowing on it.

2nd, I can't reposition the phone from vertical to horizontal position as often as I like.

I feel like my phone is held securely and is safe from falling off

Good phone holder for the price.

This is a great phone holder for the car.

This is a great and sturdy phone holder

He put his phone it and it worked

Still have it because it works but not the best phone holder

Decent product, but if you have a thick case and/or a pop socket on, the base of this is not deep enough to accommodate and your phone is not stable in the mount

Really nice phone holder have bought a couple of them and they work great

I have purchased several car vent phone holder in last few years

The materials used allows the phone to be very well supported and securely attached to the vent

Easy to install, holds the phone firmly,easy to tighten & secure

The product is made very well and my phone is very secure.

Love the backing; phone doesn’t get too cold from air conditioner and shouldn’t get hot from heat in the winter.

In addition, the cold air that comes out of the vent keeps the phone the cool so it will not overheat even if the sun is hitting the device

the fist was the cradle to hold my phone got extremely loose

Excellent vent mounted phone holder

At times the phone doesn't hold it's grips and will fall out

Installs easy, very easy to use and puts my phone right were I need it

It does its job and it makes working on my phone a lot easier

This is the perfect air-vent phone holder

Very sturdy, phone stays in this even with all my crazy driving.

Holds my iPhone securely but difficult to secure phone in device with one hand while driving

I can easily grab my phone and it’s never fallen off from where I’ve placed it

Love this....easy to use....holds my phone great....perfect!

I also like being able to use just one hand to place the phone and secure it in the mount

Been looking for a decent phone mount for my 2017 Honda Pilot.

Great phone holder.

Phone falls straight down

This is the best phone holder I have used

Overall this is the best phone holder I’ve had so far

Regularly falls off vent taking my phone with it

Every nice and was never worried about my phone falling out.

This is a great and flexible phone holder.

Very good and solid phone holder

My husband's phone needed extra support so this particular holder wasn't ideal for

Very easy, one-handed operation, and the padding protects the phone and holds it snugly.

This is the best car vent phone holder i have tried, and i have tried quite a few

Don't want him to damage his phone

Usually phone holders for cars never work, my phone always falls or it’s too loose

The best phone mount that I have tried

This one has no problem holding the phone with the case on

My phone falls out of the mount all the time

This is a great phone holder!

Holds the phone securely and works well.

Compared to other vent phone mounts this one seems to be fairly sturdy

It is a sturdy product, it has a quick release button on the back, my phone fits great, and it fits in my old 2007 Subaru air vent

The only thing I would change would be the side arms to make them a little thicker to hold phones with ring holders, pop sockets, and thicker cases better

I love this phone holder super easy to use take two seconds to move from one car to the other already recommended and bought two as gifts...

Well worth the best phone holder I have ever found for the car!

With those magnet things, your phone falls off whenever you hit a bump in the road.

Easy to install and it holds the phone really good and secure !

Great phone holder, works well.

Almost broken my phone when the holder fell, caused a bad scratch.

This is the best phone holder I've ever purchased

Definitely one of the better phone holders I’ve had.

After just a month of use, my phone always falls down to the lowest tilt setting

Works great mounts easy hold phone, only knock is it blocks the AC-not acceptable in 90+ temperature

I was forever losing my phone on the car seat next to me but as soon as I get in the car I put my phone in the

My phone used to fall at times because of its steadiness.

have phone in most stable in the car, safe drive, no more distraction.

It's a good phone holder, but if you have to constantly remove your phone (for something like Doordash) it can get a bit annoying to take the phone out.

Fits perfectly and holds my phone (7 Plus) securely

They keep your phone right where you need it and they look good too!

I ordered the smart phone holder for an IPhone 7 and it works great

Nothing like driving through a big city you aren’t familiar with navigating the spiderweb of interchanges and you drop your phone and miss your turn

This is the best car vent phone holder i have tried, and i have tried quite a few

I was a little wary about ordering another vent phone mount, but this one is MUCH better than the other kind I had.

This is the best phone mount I have found

Fits all phone really good.

Also has a perfect space to allow your phone to charge as well.

The cradle grabs the phone pretty well, but relatively easy to release as well.

The cradle grabs the phone pretty well, but relatively easy to release as well.

So very happy with this smart phone holder -- and I don't even have to take off my whole Otter Box cover like some of the other ones that I looked at/considered.

My phone was very hot when the heater was on and I had to remove my phone to let it cool down

Every nice and was never worried about my phone falling out.

This holder attaches firmly and secures your cell phone with ease, while still being convenient to remove the phone quickly

I have mine holding the phone horizontally and works just as well.

You squeeze the sides to secure your phone.

Doesnt wobble or anything and it fully secures my phone

The mounting clip became loose after only a few weeks and as a result the phone is not stable...it literally spins around on the mount and has actually fallen out of the mount.

Holds the phone tight and hasn't interfered with my vent at all

Fits my phone perfect

It was perfect until a few weeks went by and it no longer stays “locked” so my phone falls out of it often because it just gets progressively wider as I drive.

This is the perfect air-vent phone holder

Swivel head too weak, phone tips forward on its own

Vent mounts are my favorite because your phone stays cool in the summer

difficult to keep phone secure, it broke after few months

I really tried to like this cell phone a/c vent holder, but it just did not work.

I really like this phone mount, it holds my phone great

Easy to install and holds phone well

This product is built well, stays put when mounted on car vent and holds the phone like a glove.

Great price easy to use and install but not strong enough to hold plus size phone with a otter box case

My phone falls with it while I’m driving

Excellent vent mounted phone holder

This phone mount is the best one ever easy to install and holds my phone steady no shaking around its perfect

Phone would just drag vents side to side and eventually mount just fell off

Love the backing; phone doesn’t get too cold from air conditioner and shouldn’t get hot from heat in the winter.

Also a very safety conscious hands free phone alternative.

Nice and sturdy phone holder

Great phone holder, very sturdy and installs very easy.

It is very easy to use, the phone is always sturdy and secure

It holds the phone very well, only drawback is that in some cars the holder cannot fit well to the airconditioned vent grid

It is handy and able to hold my phone stable

Completely secures the phone and doesn’t move at all.

As it is now, my phone isn't secure or I have to insert my phone higher so that the popsocket rests above the back of the holder, which again, isn't very secure.

The part that holds the phone seems more durable and hasnt broken down yet like others I have used in the past

I’d recommend this for anyone looking for a vent phone mount.

Needed a sturdy phone holder for my car

Squeeze the two side holders to secure the phone, and push a mechanical button on the back when you want the phone released.

Excellent car air vent phone mount

This is a good phone holder and keeps the phone out of your driving line of sight

Doesn’t hols the phone as well as I had hoped

Love, love, love this Phone HolderThis is the best phone holder I have used to date.

Rubber padding is great and will have a snug fit and won't scrape your phone if you like to use your device without a case.

Second time my phone got a large crack in the screen.

Best phone

A solid stable phone holder

This does the trick of holding the phone and design is good, it sticks out slightly from the vent in my car, but is probably less obtrusive in other cars.

Love that it has a slot to allow you to plug in your phone as well!

Best car phone

Fits well and holds my phone in place - no problem

Easy to use, connect n disconnect phone.

While I’m driving the outside pieces to hold the phone in open all the time and when I make turn my phone falls out

My phone, in fact the whole mechanism falls off constantly from the heater vents.

It fit both my Iphone and Android phones well.

(It rests on the 2 bottom “charging port” side of the phone which I like because it will support the phone and not put all pressure on the side grips

There are holders on the bottom to support your phone and it has a gap to attach a charging cord into your

Grips & protects my phone well

Grips & protects my phone well

However, the clamp at the back keeps the air vents straight, which is fine for viewing the phone--it won't droop your air vents downward if that's your fear

Your phone won't fall off unlike some of the magnetic ones

This is the third vent mounted phone holder I tried

Sturdy phone mount that stays on the vent.

Perfect phone holder

The best air vent phone holder I have owned

Best phone holder for my car, easy setup and easy to put my phone in and take it out as well

Official reliable mobile phone holder,had a couple of trashy ones in the past

Nice sturdy exterior, although area inside that touches phone feels like thick foamie that the only cheap impression you get of this holder

Best phone mount I’ve ever had

Holds great the phone.

Puts the phone right where I need it to be.

My last phone mount lasted about a week before it crapped out

but then thick cases would hinder the magnets from being attracted (and I needed a thick case to protect my phone from my clumsy accidents)

I needed it to secure my phone in my car while driving and using my GPS

The magnetic mounts were better, but I find your phone will drop even if you slightly bump your phone.

Can place your phone in and out of holder easy with release button on back

It was easy to install and love how it protects my phone

THE PHONE TIGHT AND SMOOTH WITHOUT FALLING OUT.

Regular phones may work fine.

It is sturdy, has never dropped either phone, and since it's attached to the vent, my phone doesn't overheat when it's super hot out like it used to when I had it mounted to the dash with a different holder.

Excellent vent phone mount

Finally, a phone holder I love!After trying probably a dozen, this is it!Great product

Fits car securely, phone is well supported, can accommodate wide variety of phone sizes, good value

This works perfectly holding my phone in

Best phone mount i bought...easy to use and sturdy

I was always resting my phone on my lap or on the middle section and it was always falling on the floor

Perfect holding my phone very good and fast shipping.

I upgraded my phone and the larger size proved too heavy for the car air vent phone holder I was using

After trying a bunch this is the best phone holder I've used.

Love having my phone so visible now.

This is a great phone holder

Purchased 2 smart phone holders

I've had several of these vent mounted phone holders, but this one is by far my favorite

Great phone mount

What I like about it is sturdy and it support my phone with the protecting case on.

When I used my iPhone XS Max, my phone fell down once that too when driving in the bumpy road

Looks great, and makes for using your phone easier and visible without having it to hold

Been using this for 8 weeks now ever since I started working delivery food and so far it's been mush better and easier then the other Air Vent Phone Holder I've been using and so far the phone hasn't fell or fallen off when going over and speed bums.

Awesome phone holder

Since I don't think I can close my Jeep's vents without the covers being positioned such that I couldn't use this device, I am interested to see if warm air coming out causes my phone to get too warm

This is the best phone holder that I have ever tried.

Does not block the vent too close so the phone doesn’t overheat, slow phone release button, and adjustable clip tightening, angle and phone size

Just what I wanted and needed so my phone isn't falling all over the place in the car.

I love that you just push a button on the back and the sides slide out for easy removal, then you just put your phone back in the unit and push the sides together till the phone is snug and your done

Made well, good materials, holds on the vent nicely and really secured your phone in with the grey padding

I’m back to loving my phone

I bought 3 similar types of Air Vent phone holders together (Other two, Quntis -$6.99, Ailun 2 pack $12.89) because it was hard to figure out without the actual products

It holds the phone well, universal smart phone holder, you can position it anyway, pretty simple to put together

I feel like my phone is in great hands and wont be falling off.

Great price easy to use and install but not strong enough to hold plus size phone with a otter box case

Had an old one with a magnet inserted into the phone and it wrecked my phone.

Securely holds phone in a visible position and securely

An about a week after that, the rubber pieces that grips the phone fell out, almost like magic because previously they were never loose

It is better than no phone holder at all, but it is not reliable

This phone holder won't support a heavier phone, such as my iPhone 8s.

The tightening mechanism that holds the phone is just an absolute nightmare - it never holds it

I like the phone in the mount while long distance traveling.

Helps with hands free phone use.

Very adjustable for different angles in the vehicle and the phone securement system is very easy to use and adjust to secure different size phones within seconds

Best phone mount I’ve ever bought.

A button for easy phone release

I’ve been looking for a good phone holder for the car for a very long time now

The back is too short and therefore my phone continues to fall over

I don’t have to take my phone out of the phone case to secure into this holder either

Great phone mount at an affordable price

Fits well and phone snaps right out.

It shakes my truck to pieces but my phone stays secure on the dash.

When I turn it moves my phone which I dont like

It offers much more stability than the magnetic mounts do; my phone doesn't fall off if I hit a big bump in the road.

My phone fell more than it stayed put

I would note that once you put your phone in it my vent sags due to the weight

It also can warp the slats of your air vent slightly but that's probably common to all air vent mounted phone holders

The mount holds the phone just fine and well, but the mount is useless if it can not securely remain attached to the vent

Best vent phone

so my phone didn't fall

This is an excellent phone holder for gig delivery drivers

Great phone fits.

Does put some pressure on vents if your phone is heavy like mine but if positioned correctly it will not break or damage your vents

To remove your phone you simply press the button behind the mount and the jaws separate for easy phone removal.

It's well made, pleasing to look at, sets up in five seconds and holds the phone tightly until you depress the button in the back

It is easy to secure the phone in place and there is easy access to the charging cable.

It fits the smaller phones as well.

Lord knows there a lot of accessories out there for hanging your cell phone somewhere in your

It is sturdy, holds my phone nicely, easy to get my phone on and off, and easy to use

Junk can't hold a phone without falling over

Plus sturdy (the phone with the case can get heavy I mean)

The phone never threatens to fall

It gets so aggravating that I dont usually use it because my phone cost too much to risk damage from a nonsecure product.

Easy to use, seems to hold the phone well so far, no issues yet

Solidly built and keeps the phone secure

The absolute best phone vent holder yet

Keeps phone handy and visible, but out of the sigh line of traffic, etc.

Since this mounts your phone right over the AC vent, your phone will stay cool and never overheat

Would recommend to anyone who finally wants a phone vent mount phone holder that works.

Phone is secure when placed on the mount.

Phone sits well and the side grips are good

Phone falls off every time a hit a pothole.

After about 15 mins in the adapter, the phone loses its grip on the vent and falls completely off.

Good holder for my smart phone once I figured out how to install it

(We have been having trouble adding another phone to our

Nice phone holder, but

doesnt hold my phone all that good even though you can adjust the sides.

not good for bulky phones, tends to wiggle with vertical car vents

This is the most flexible car smart phone holder I've ever found.

holder is padded to protect the phone.

If I say "screw it" and let it hang in that position, then eventually the phone and mount both fall off

The holder works well, but lees than a year later of light use, the side walls lose the force to hold the phone (iPhone 6 and 7), we use the phone horizontally in the car so the weight of the phone will open the the walls of the holder

Not the easiest to open and close sides to secure phone.

I have been looking for a good phone holder for the car and this does the job

We especially needed something good because our state recently passed a hands-free cell phone driving law and your phone cannot be touching you, not even leaning against you, when you drive.

Like the adjustability of size so fits my phone or husbands.

Good:It holds the phone in place and its very easy to use

The phone falls after a few minutes of clamping into the holder

I have a 7 plus and the phone is steady if it's mounted vertically

It gets warm when the heater is running but not warm enough to damage my phone.

but once the phone is secure the holder itself just wobbles back and forth

This was finally the perfect phone stand until thr clasp that attaches to air vent broke a month later

Phone is secure

Super easy to install, holds the phone securely and is cushioned so it doesnt scratch the phone

Super easy to install, holds the phone securely and is cushioned so it doesnt scratch the phone

The holder really grips the phone and it's easy to hit the release button in the back when removing the phone.

Look elsewhere for a more secure phone mount

The width adjusts, so it hugs the phone no matter what phone it

Phone goes in and out of holder very easy.

my phone never fell down when I'm driving

I wouldn't suggest using this while running the heater through that vent because you'll overheat your phone

This model is also a bit more substantial, holds the phone quite well, easy in and removal

Put your phone in and simply press the sides together until your phone is secure.

This is a great phone holder - keeping it within eyeshot for directions and whatnot, but not limiting sight.

Best vent mounted phone holder I've used

Very simple to install and use and seems to hold my phone great so far.

I put my phone in it and when I try to touch the answer button on my phone to answer my phone while driving the phone and holder falls out of the vent.

and I’m never afraid the phone will fall (like with the magnet holder).

and she really likes using it as well it supports the phone while clips on to the AC vent easily I highly recommend this and would buy again

Best vent mounted phone holder I've used

Finally, it just stopped gripping the vent and falls off now unless I lay the phone as flat as possible

Awesome smart phone mount!

Really awful phone holder

Holds the phone in a perfect position, doesn't fall out and is quite stable when driving.

Nice little phone holder.

Fits my phone well and holds it securely

Will occasionally slip off my air vets, but only if phone gets set in it to fast/hard

Does not hold the phone up and collapses on the air vent

It is designed to hold smart phones in a range of sizes.

The best hand free phone holder

Looks like I will continue my search for a solid phone mount that actually lasts!

My phone is big and bulky too - I have an iPhone 7 Plus with a lifeproof case and it works great.

Keeps phone secure and easy to use

Great phone holder for your car

The material seems high quality and I like the fact that it covers up the whole back of the phone so the phone won’t get hot (or cold) as the vent blows on it

I've tried many phone mounts and the Beam Mount surpasses them all

I have an 8+ and it does not give the phone enough support

This is a one handed operation to put your phone into the unit and then secure it

Easy to install, easily hold phone, phone holding grip is good and grip air vent is best it never slip

the grips are now loose, and the phone and holder keeps falling.

It is so easy to place your phone and even easier to remove

The mount can also adjust depending on phone size so I am sure it fits larger phones just as fine as well.)

After about a year of use, the phone either falls out of the cradle or the mount fails.

Fantastic phone holder for the price

Would recommend to anyone who finally wants a phone vent mount phone holder that works.

Awesome phone rest.bought 2 for my

Really good phone mount

The absolute best phone vent holder yet

No more phone falling over in the car

my first most steady, most user friendly phone mount

I have the second one mounted to my front vent for my Smart phone.

one of the worst phone holder mounts

Easy to use, seems to hold the phone well so far, no issues yet

It holds my phone securely and does not fall out.

Awesome phone holder.

Clamp to weak, Phone falls off the vent

Before purchasing this I recommend you test your vent vanes to see if they're stiff enough to support your phone.

My current vent phone holder was getting damaged from the heat

The phone never threatens to fall

As a work around I rotate it landscape, which holds my phone well but sometimes presses my lock/Bixby buttons.

I hate bulky phone holders, this one is small, but big enough to hold my phone tightly.

I like that this device does not block any of my windshield and the phone is easy to insert and eject with one hand.

Phone shakes.

The ball bracket does not support the phone.

I like that my phone stays cool being over the vent too

It's simple: it clips onto the vent and hugs the phone

It attaches to the air vent so tight & my phone was easy to insert

Love having the phone at that level and does not interfere with my visual range of the road.

Keeps my phone upright and sturdy even over speed bumps.

Best vent phone

It seems like my phone is too heavy and I can’t slide it down in the holder to balance it because of the feet

I have a galaxy S8 and it held my phone well

This holder works perfectly on the air vents in my car, I keep a phone in it for listening to audiobooks and the phone and screen are perfectly accessible.

It will expand to fit your phone and retracts for a snug fit.

Sturdy & holds phone securely.

We love to take long back road country rides & conditions are not always ideal but this holder stays in place & the phone stays secure - extremely happy!

I've had the phone and holder come tumbling down a couple of times while driving.

it's just what I needed to hold my iPhone 8 with a very sturdy phone cover

This product is better than all the fancy and expensive phone holders

The only issue that I have is that my phone is super heavy (iPhone 8 Plus) so when it's really hot it can't really hold my phone up, but with a normal sized phone I'm sure it works much better.

One of the best phone docks you can buy

I am really happy with the ac vent phone holder

This is one of the better phone holders I have used.

Even on aggressive accelerations or quick cornering or maneuvering, my phone has never fallen out!

I recently received this air vent phone mount and absolutely love it

so my phone doesn't fall

An about a week after that, the rubber pieces that grips the phone fell out, almost like magic because previously they were never loose

No problem fitting the phone, and it is held sturdily and well in place.

Phone easy in and out.

These are very helpful for hands free phone use