📶【2-IN-1 Bluetooth 5.0 Adapter】Portable Bluetooth adapter can be used as a transmitter or receiver. The audio adapter is supported by the latest Bluetooth 5.0, whether in transmitter mode or receiver mode, it can be paired with 2 Bluetooth devices or speakers at the same time.It provide a more stable, faster transmission, low power consumption, while exhibiting superior audio performance. Bluetooth 5.0 with the audio adapter, the data transfer speed is twice Bluetooth 4.2. | 📶【HD Acoustics & Long Range】By adopting the technology of 5.0 low latency, eliminates the bluetooth audio delay, provides excellent audio quality, and have powerful wireless audio stream. The transmitters and receivers in the backpack or laptop bag, carry easily.Stream and control your music with a reliable connection from up to 20m. Rechargeable battery stores up to 10hrs of use from one charge. Easy to set up, simply plug and play. | 📶【Transmitter & Receiver Mode】Bluetooth transmitter supporting dual-stream Receiver mode(RX) & Transmitter mode(TX) to add wireless connectivity to your wired devices and stream music wirelessly. Receiver mode(RX mode, blue light): Transmits audio wirelessly from your Bluetooth-enabled phone, computer to your stereo, speakers or headphones. Transmitter mode(TX mode, red light): wirelessly transmits audio from your non-Bluetooth TV, home stereo or CD player to your Bluetooth headphones. | 📶【Perfect Pairing】Featuring digital and 3.5mm/RCA audio interfaces. Support both input and output. Easy settings to enjoy wireless audio at home or on the go. Use the included digital optical fiber audio cable (SPDIF IN / OUT) to connect to a TV or home stereo receiver to provide multi-channel high-definition optical audio for the audio system.(Does not apply to Linux systems) | 📶【No More Delay】Equipped with Qualcomm aptx Low Latency technology for the bluetooth 5.0 transmitter, It reduces delay and improves end-to-end speed of the audio transmission, resulting in high quality, synchronised sound, so you can watch TV / Movie / Video and listen to high-clarity sound in perfect synchronization so that never miss a beat.so.