1. Technology: BT5.0, A2DP, AVRCP (receive mode)
2. Operating range: about 10 meters (under barrier-free conditions)
3. Pairing name (receive mode): MSD135
4. Transmitter mode: red LED light on
5. Receiver mode: blue LED light on
6. Transmission rate: 10Mbps
7. Bluetooth standard: 5.0
8. Operating frequency: 2.4 (MHz)
9. Features: receive/transmit mode button switch, convenient and fast, no driver, plug and play, with AUX output
10. Weight: about 23g/piece
11. Size: about 45x20x11mm