If you are on the phone throughout the day this is not a good product for you. The earpads are uncomfortable and push down hard on your ears. The mic picks up ALL background noise. The mute and on/off slider stopped working after a couple months of use.

I use these for Online Meetings and find they perform extremely well.

Some find the ear piece to be uncomfortable over long periods of time. For me and my people that can be said for even the most expensive. A great all around product.

Great headset quick and easy to install and very sturdy.

Have been using it for a while. I like the sound quality. Over the ear design is the most comfortable.

I am replacing a Plantronics C420 headset which served me well but has faulty wire and new C420 is no longer available, The C320 - I am somewhat follicly challenged and the hard plastic headband is not very comfortable on my head, the C420 had a padded headband which was much better.

I replaced the old headset (communicator compatible) with this lync compatible headset. The headset works great with lync, have had the annoying problem of pushing the mute button and then it not muting or having to push 5 times to unmute that I had with the previous headset.

All righty, I bought these headphones 320-M. I saw some negative reviews on it, but I decided to give it a chance. With a little bit of background tweaking in the audio department/section of my computer, they sound like HD headphones.

Great service

comfortable fit and nice clean sound.

good build quality

nothing if on sale