A2 is a Bluetooth 5.1 Receiver and Transmitter audio adapter,which it can compatible with all mobile phone or tablet,also can work on the Car,computer,tv,older version speaker etc.Whether you are studying, living or working, share audio at any time.
1. Bluetooth 5.1 Audio Adapter
2. Bluetooth Receiver mode
3. Bluetooth Transmitter mode
4. Wireless reception range: >10 m
5. Built-in 3.7V/250mAh battery,long standby time