📺🎧【NO LIP-SYNC DELAY,2.4G, Delay≦ 30ms】 Use 2.4Ghz technology (NOT Bluetooth); it reduces the audio lag down to as low as 26ms, significantly less than the 220ms of Standard Bluetooth and the 40ms of aptX Low Latency. This ensures that your audio and visual will always be perfectly synchronized,it allow you watch your favorite show or game with clear sound quality and perfect synchronization. 📺🎧【Universal Compatibility and Easy Connect】With Optical, Aux(3.5mm) or RCA audio out port, iDiskk wireless TV headphone is compatible with TV, Projector, Stereo AV Receiver, Mixer board,PC and more. Only simply plug the transmitter into the power source and your TV's audio output port, turn on headphones, a quick and automatical connection with each other, here it goes. 📺🎧【Share the Audio &Independent Volume Control】It allows multiple-TV headphone-connection to ONE AUDIO SOURCE and work without lip-sync delay.additional transmitter can pair two or Max 100+ TV headphones at the same time Each earphone can individually control the volume ,no need to turn up TV speakers volume separately,avoid disturbing your family/children who is studying or resting in the living room. 📺🎧【Bluetooth 5.2&Longer Playtime】iDiskk Over-Ear TV Headphone operating range is 30 UP T0 100ft /≧30m. After full charge,35 Hrs Super long Playtime,more than enough for a full day of enjoying favorite music ,TV shows or games without break. 2 ways to charge the TV wireless headphone,use USB-C cable or directly place the headphones on the charging base. 📺🎧【Easy Operation,Plug &Play】 The set of TV headphone and transmitter dock are paired well in factory setting，No need to pair ( the added headphone could be paired manually) just simply plug the transmitter into the power source and your TV's audio output port, power everything on, and you'll be good to go with no Bluetooth pairing required. The transmitter's optical, 3.5mm AUX, and RCA input options make it compatible with virtually every TV on the market -- whether or not the TV itself has Bluetooth capabilities.