Why Choose us? Why Choose us? Lightweight DesignPlug and PlayEasy operation button Recommended Uses: TV / DVD with optical, RCA or AUX audio outputAV receiver & other audio devicesFor no audio delay, long music play time (10H) and long range Doesn't work / not recommended for: When using the transmitter the TV internal speakers might not work or become muted. This is TV dependentDolby / DTS is not supported. When using TV optical out, MUST set audio format to PCNot for TVs with non-functional audio output ports (test before purchase)Not compatible with ANY RCA outputs on the back of AV Receivers / amplifiers.Not for professional audiophiles .Attention - Designed & built for a balanced sound with an emphasis on clarity. NOT recommended for heavy bass enthusiasts. Big button to easy operate User-friendly design – simple & easy to use Adjustable headband Custom fit for comfort Plug and Charge There are 2 charging ways for your choice. You can charge the headset either by placing the headphones on the stand (there are contacts on both the headphones and the stand) or you can charge via the USB port on the headphones. The lights on the headphones and transmitter will both go off when charged fully. Please make sure being fully charged before using them. Long Wireless Distance With 2.4GHz wireless RF technology, you could get a long range of up to 197ft (60M) working distance, ensuring the audio and image perfect synchronization without delay, even through walls, ceilings and outdoors. Multi-purpose Transmitter In addition to transmitting audio signals from a large range of audio sources, the Ensemble transmitter is also the most convenient way to charge your headphones when not in use. Supports 3 Different Types of Audio Output Thanks to ANSTEN'S Optical, RCA input cables, it is universally compatible and works with all TVs with Optical/RCA/AUX Audio Output port on the market for your convenience.