- I can now hear every single word being spoken - the sound is "crisp" and crystal clear.

Very comfortable to wear, great sound and those on the other end report being able to hear me great (but to this end, there is an adjustment button on the base that I had to use to maximize the quality on the other end from me).

You can walk a really long distance from the phone with completely clear sound

Very clear sound on both ends; but I preferred the Leitner LH275 this headset is a great unit, very crystal clear and very light compare to Plantronics

Sound is very clear & blocks out the noise around you well

It's easy to set up, sounds great and is comfortable to wear.

The sound is superb on both end as well as the 5-

Sound is very clear on the Cisco phones we use.

Sound is superb on both ends

Easy installation, great sound, and can now take better care of my aching back by moving around.

Comfortable to wear and clear sound

Good sound, easy to set up

The sound is clear as a bell on both ends