Amazing Sound: Enjoy incredible crystal clear sound. Efficient low-power chip design and digital signal provide exceptional sound with deep bass. SPDIF optical connection, digital music can be accompanied by better audio quality. Up to 160ft/50m. Extended reception range allows the headset to be used out of sight of the transmitter. Decoding restores the true original sounds. MODERN & PRACTICAL DESIGN: Soft-touch padded headphones with a transmitter that doubles as a charging station. Rechargeable Batteries: Included rechargeable Li-ion batteries last about 18 hours on a full charge and automatically recharge when you place the headset in the base station. No Delay: Featuring 2.4GHz wireless technology, our headphones allow you to watch your favorite sports competition or TV or play your game. It is compatible with any device with an optical, 3.5mm AUX or RCA audio output port. 2.4G Digital RF Transmitter Headphones, Hi-Fi Wireless Over-Ear Headset with RCA/3.5mm/Optical Port, for Watching TV on Computer at Home