OT: Also from Dealerscope, FWIW...
Unwired WhiteFire wireless headphones. Available now for $599. These new headphones use WhiteFire, an infrared (IR), 16-bit synchronous wireless delivery method. It delivers up to four stereo or eight monaural audio channels simultaneously. WhiteFire wireless headphones contain a channel-selector button that shifts from one audio source to another, and four LEDs that indicate which stereo channel is currently being used.
Call (631) 293-6900 or visit www.unwiredtechnology.com.