A:AnswerThe arm that the microphone is on folds up into the headset. Once you start folding it up, you'll hear a beep and the microphone has a red light at the tip that lights up. So that mutes it automatically. But there's also a mute button right above the volume wheel on the back of the left ear.
A:AnswerUnfortunately we don't make an extension cable that would work with our gaming headsets. We have made a wireless headset compatible with the 360. The model was the Gamecom X95.
http://www.plantronics.com/us/support/kb/detail.jsp?vfurl=/articles/en_US/Product_Information/RN18695&retURL=%2Fapex%2FknowledgeSearch®ion=us&p=&c=All&k=x95&t=All&lang=en_US&popup=false&c=All
A:AnswerYes you can return the wireless headset if you are not satisfied, but I feel once you try it you will enjoy the quiet noise and clarity it sounds like....