T20-1 Bluetooth 5.0 Audio Receiver Transmitter Wireless Adapter

1. Bluetooth solution: 5.0 EDR, A2DP, HSP, AVRCP 2. Frequency: 2.4ghz - 2.48ghz 3. Bluetooth transmission distance: about 10 meters 4. Bluetooth receiving distance: about 10 meters 5. Charging voltage: DC 5V 6. 300 Houan battery 7. Working time: about 6 hours 8. Bluetooth reception function: connect to 1 mobile phone 9. Bluetooth transmit function: can connect two pairs of Bluetooth headset or Bluetooth speaker at the same time