Soyo HS11 Bluetooth Stereo Headphone and TX10 Transmitter : Product Reviews Net
Bluetooth Stereo Headphones with a built-in Microphone. Comes with a transmitter that will make these work with your computer as well. I can walk all around my office (40-60 feet away and still get a clear signal).
The sound is very clear. While they're no Bose sound deadening headphones, they're wireless, quality and built to last seemingly.
6 hours of battery life while playing as well.
I bought them for $20 from Woot a few months ago and have been digging them ever since. I can't find them for sub $70's now though, If you see a good deal on these...get them, you'll thank me.