Got a pair of these and they're fantastic. Cheapest they've been in a while.
Sennheiser RS 160 wireless headphones/transmitter set
Using Kleer's uncompressed digital wireless audio transmission this two-part system frees you from the cable leash giving you a powerful sound in return. Just plug and play.
* Move freely as you enjoy the full-bodied sound of the neodymium-magnet powered transducers
* Set the right volume – or cut it with the Mute Function – digitally and directly at the headphones
* Feel the snug fit of the circumaural earpads