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