Great battery life, 30 plus ft range, easy pairing with my Galaxy

The sound quality is excellent and battery life is good

Buy the older M55, its has a better battery life

Works well, long battery life

Loud enough, great battery life for a person who uses it 24/7 (it's 7

Light Weight (again, most of the times I do forget that it's even there)- Easy to use- Awesome battery life (7 hours of talk, and lots of

Sounds good and has great batterly life, but in the end, it just hurts my ear.

They have great quality as long as you don't turn the volume too high causing damage to the speaker and also have great battery life

Great battery life

-Easy comfortable ear attachment-long battery life-clear sound

good battery life. allows me to listen to music from my phone too.

Paired with s7 and works great...very clear on both ends and great battery life.

Great battery life

This one has sophisticated voice menus, very small, sounds loud enough, but perhaps due to the fancy voice recognition and voice menu prompts it has very poor battery life compared to other Plantronics headsets

Solid, excellent battery life and tremendous sound quality and from what I'm told I am very clear coming through the other side.

decent battery life, never died on me in the middle of conversation.

Otherwise, works well and usage life is good for her needs - generally lasts a full day between charges.

I love the style sound quality is great and long battery life

Works great, Long battery life, and easy to use

It works perfectly great sound quality and long battery life.

Great sound quality, great battery life, stays solidly in my ear, and does so more comfortably than the headsets I've had with an over-ear loop

Pairs easily, very small, great battery life, and one of the most secure fits to my ear that I have found

Loud enough, great battery life for a person who uses it 24/7 (it's 7

This is my third unit, always work well, excellent product, very clear, good battery life

Clear sound and great battery life.

Great battery life.

excellent batery life.

I've had some issues with other bluetooth devices with slow connection, bad battery life, choppy voice quality

It's still a reasonable battery life in my opinion

Smaller and lighter, with excellent battery life.

It has great battery life, good audio

Sometimes hurts my ear but has excellent battery life.

Pretty good battery life

It also has great battery life

Has great battery life and doesn't sound garbled with wind when outside.

Terrible battery life

Crystal clear, great battery life, and very sleek

Excellent product, great battery life, and sound quality