Bluetooth Transmitter Receiver: Long-Range 2-In-1 Bluetooth 5.3 Audio Adapter ? ?-??-? ??-??????????? ??-???????? ????: Transmitter enables your TV, CD Player, Radio, Home Cassette Tape Player and other home audio source devices to stream music to your Bluetooth headphones, AirPods earphones or speakers. Receiver allows your Non-Bluetooth devices, such as old speakers, wired headphones or amplifier, to get music streaming wirelessly from your Phone/Tablet/Smart TV with Bluetooth/Laptop with Bluetooth. ? ????????? ?.?: The latest Bluetooth technology, stronger connection stability, wider signal range, better compatibility and lower data latency. ? ???? ?????? ??????????: RX Mode- It pairs your phone and tablet at the same time and streams music from either, can be switched quickly at any time. TX Mode- Connect two Bluetooth devices such as Bluetooth headsets, Bluetooth speakers at the same time, share the music/TV sound with your friends, family or companions. ????? ??????? ??????: The adapter can achieve a range of up to 66ft line-of-sight without obstacles, which ensures a stable connection and no loss of signal no matter where you go or move around in your living room. *Note: Operation range can be affected by Wi-Fi routers, wireless TV adapters, doors, walls and also depends on the receiving devices. ? ?????-???????? ????: You can easily adjust the volume to listen to your favorite TV shows/movies/music at your preferred volume without the hassle of going through the TV remote or your phone every time. It can also be used to play or pause music when pressed.