Screen Display Super Easy Pairing: The Bluetooth TV Adapter is designed with a very nice display screen. The operation is clear and easy to read, and you can easily select the right Bluetooth headset, speaker or phone. This bluetooth transmitter receiveralso has volume control buttons. Crystal Sound, No Lag: Low latency technology eliminates Bluetooth audio lag, and AptX HD technology helps deliver a high-definition audio experience that always guarantees perfect sound and picture synchronization. AptX HD technology lets you enjoy high-definition audio and Dolby sound for a great listening experience. Wide Compatibility: Compatible with almost all electronic devices on the market, such as TVs, headphones, speakers, and mobile phones. Support Optical/AUX/RCA audio output. In TX mode, when used with any device with audio output (TV, PC, CD/DVD player,etc.), you can enjoy high-quality music or listen to late night shows without disturbing others through bluetooth headphones. Stable Connection: Compliant with the latest Bluetooth 5.0 wireless communication standard, equipped with a top-level Bluetooth chip, providing a stable and reliable connection transmission distance of up to 32 feet (10M). Using special circuit and precisiontuned antenna, no through-wall interference performance. When you use it for the second time, it will automatically enter pairing mode. Receive Mode: Designed for car stereos/speakers/headphones/vintage speakers and most mobile devices, with a 3.5mm aux port to turn your vintage stereo speakers into beautiful bluetooth speakers. Stream audio from your phone to a non-Bluetooth headset/speaker/home speaker system. In RX mode, insert the TF card to play the contents of the TF card directly, short press the (-/+) button to select the previous/next song.