1. Bluetooth version: V5.2
2. Audio decoding: AAC/SBC
3. Support protocol: HSP/HFP/A2DP/AVRCP
4. Speaker sensitivity: 115dB
5. Microphone sensitivity: -42dB
6. Frequency range: 50Hz-10kHz
7. Headphone battery capacity: 30mAh
8. Charging bay battery capacity: 400mAh
9. Speaker impedance: 32 ohms
10. Rated power: 3MW
11. Speaker: 13mm
12. Music time: about 6H
13. Talk time: about 4.5H
14. Standby time: about 120H (connected)
15. Input: DC 5V/1A