Sennheiser RS 175-U Digital Wireless Dynamic Headphone System w/ TR 175 Tx IOB

Product highlights

over-the-ear, closed-back design helps keep out external noise
included wireless transmitter delivers high-quality audio to the headphones
transmitter features an optical digital (Toslink) input and 3.5mm stereo minijack input for connecting from your TV or audio system (cables included)
optical input does not accept Dolby Digital signals; TV must be set to output PCM audio
wireless range: up to 328 feet (line of sight)
selectable virtual surround sound modes add depth and atmosphere to movies and shows
dynamic bass boost button increases low-frequency response
multi-receiver mode enables two people to listen to the same source (requires additional compatible headset)
transmitter also serves as a docking station to recharge the headphones
battery life: up to 18 hours with a full charge using the included batteries
volume controls, virtual surround sound, and dynamic bass boost button on headphones
includes 2 "AAA" NiMH rechargeable batteries for the phone