1. Bluetooth solution: 5.0 EDR, A2DP, HSP, AVRCP
2. Frequency: 2.4GHz to 2.48GHz
3. Bluetooth transmission distance ≤ 10 meters
4. Bluetooth reception distance ≤ 10 meters
5. Charging voltage: DC 5V
6. Battery capacity of 300 milliamps
7. Working hours: about 6 hours
8. Bluetooth reception function: connect to 1 mobile phone
9. Bluetooth emission function: Connect 1 pair of Bluetooth earphones
10. Screen display: can display 8 device names to be paired (transmitter)/can display paired phone names (receiver)











