I like the design and aesthetic. I adore the features. I especially like that I can connect my phone to the bluetooth mode and still use the dongle. And then answer when someone is calling. The sound is great and the microphone doesn't pick up office noise. Light and comfortable to wear for a full days work and gaming session.
Microphone mute button is great and the volume knob is an excellent addition. The sound pass through when using the mic was unexpected but a great way to tell if the microphone is on.
Battery lasts long enough. I get a full days use easily and worry free. I use it at the office for 8 hours and then tried gaming with it at home and it lasted 3 days for me. That's 10-14 hours of use, but I did notice they go on stand by when I'm not wearing them.
I miss collapsible ear pads. It makes it more difficult to transport in a backpack since headphones are an awkward shape to store, which makes me appreciate the detachable microphone all the more.
On that note I miss some way to store the dongle and/or microphone that isn't "Throw them in a pocket in my backpack, and the fish for the black thingies in the black bag" problem. Maybe had I taken the colored version this would be simpler but is still irksome. For the price I didn't expect a carrying case nor do you get one or any pouch or any organizational receptacle.
All in all great for a main headphone but annoying to carry around to work.