Much better than the CS55, this lighter weight design adds much more comfort, with improved sound quality. This unit is great if you spend a lot of time on the phone, or even for the "marathon" phone conferences.

Comfortable; Easy Controls; Glasses Compatable; Lightweight; Plug and Play; Sleek design

Cable management; OTHead set awkard on base

Being able to swap between headset and earpiece is great, a very innovative design idea for wireless headsets. Still has the same great plantronics quality too.

Sound quality is absolutely wonderful! Wireless range is very nice. Looks good sitting on my desk, and is comfortable enough to wear all day. I also like the fact that when I have it on, it doesn't block external sound from my ear like wearing some ear buds do.

Cheaper versions are available for this which unfortunately I bought before I found the Plantronics brand. Having tried several brands I can recommend this for sure.

A very good price for an excellent quality product. Set up doesn't take long and the headset is easy to use and comfortable to wear. Sound is very clear though it takes a while to get used to the slight delay between picking up the call and the customer being able to hear you.

We purchased these since our office floor uses wireless headsets for mobility. Having over 100 employees using headsets in the general vicinity of each other, we opted for the XD version. No issues yet!

First of all, Plantronics is the best for quality headsets, but I'm not sure I like this new model. I purchased the CS540 to replace the CS50 that I used for almost 10 years. What I like about the new model; (1) Sleek, more modern design (2) Non-slip base (3) Lighter headset, almost weightless What...

First - these headsets DO NOT work with a CORDLESS phone. They are meant for a desk type phone with a handset. You must spend another $ for an adapter-cable to use the headset with a cordless, non-handset phone.That wouldn't have been so bad, but the performance was not in the $ price class of this...

comfortable to wear.decent sound quality

good build quality

nothing if on sale

I'll definitely continue to buy as the need comes up because it's an overall good value for the price when compared to competing products.

The headset is easy to setup and works great with my ShoreTel 485G office phones without the need for any additional parts; I have purchased 4-5 of these (including one for me) and we all enjoy them.

I haven't found any cons yet