2 in 1 Receiver Transmitter: Universal Bluetooth audio adapter makes your TVs and other Non-Bluetooth devices Bluetooth enabled to stream audio to your Bluetooth headphones, or makes your home stereo Bluetooth enabled to receive the wireless music streaming from your phone and tablet.Note:This device is not available for answering calls. | Seriously Accurate Sound:Features Bluetooth 5.0 provide better device compatibility and low latency technology, aptX low latency Bluetooth transmitter for high-fidelity stereo sound, can enjoy higher quality in a shorter transmission time. | Quick link and re-pairing and dual link: you can quickly connect to one or two wireless devices in a short time. Conveniently, it can automatically connect to the last paired device after booting. In addition, the transceiver has good compatibility with most Bluetooth-enabled smartphones. | Constant Streaming: Rechargeable battery stores up to 18hrs of use from one charge, great for several days use; connect the wireless adapter to the power source to stream music while charging. | Wide Application: You can enjoy TV show with your Bluetooth headphones and avoid disturbing others,moreover,enjoying CD-Like music from your smartphone or other Bluetooth devices via the Mini Bluetooth transceiver.