Bluetooth 5.3 Transmitter Features 1.High gain dual antenna 10m long distance transmission, dual antenna to improve signal sensitivity, enjoy high intensity and stable transmission at any time 2. Two-way interface, plug and play Automatic connection, according to the mode setting, the interface can automatically become input/output Bluetooth connection pairing after using again that is automatically connected, no need to pair again 3. Lossless sound quality, zero delay in listening to songs, high-definition sound quality output, no lag and no delay 4. Intelligent one to two, share more fun transmitting/receiving can be one to two 5.Transmit mode (TX) becomes Bluetooth TV in seconds, TV wirelessly connects to Bluetooth headset, easy to catch up with drama without disturbing people 6. Receive mode (RX) becomes Bluetooth speaker in seconds, mobile phone through Bluetooth to the old speaker music playback 7. Receiving / transmitting mode, one key switch Bluetooth receiving / transmitting dual-use one, mode switch at will, applicable to a variety of devices Name: Bluetooth adapter Bluetooth version: 5.3 Colour: black Product weight: about 67g Material: ABS plastic Transmission distance: <10m Dimensions: 110*26*60mm Package list. Bluetooth adapter*1 3.5mm audio cable*1 RCA audio cable*1 Power cord*1 Instruction manual*1