Incredible Sound: Enjoy incredible crystal clear sound.The efficient low-power chip design and digital signal deliver great sound with deep bass.Optical SPDIF connection, digital music can be accompanied by better audio quality.Up to 160ft/50m.The extended reception range allows the headset to be used when out of sight of the transmitter.Decoding restores the original true sounds. MODERN AND PRACTICAL DESIGN: Soft-touch padded headset and features a transmitter that doubles as a charging station. Rechargeable Batteries: The included rechargeable Li-ion batteries last approximately 18 hours on a full charge and recharge automatically when you place the headset in the base station. No delay: Featuring 2.4 GHz 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, AUX 3.5mm or RCA audio output port.Headphones with 2.4G Digital RF Transmitter, Over-Ear Hi-Fi Wireless Headphones with RCA/3.5mm/Optical Port, for Watching TV on Computer at Home Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.