1. Headphone battery capacity: 120mAh
2. Bluetooth version: 5.2
3. Speaker: F10
4. Transmission distance: about 15 meters
5. Music playback time: about 20 hours
6. Talk time: about 20 hours
7. Charging time: about 1 hour
8. Charging port: Micro USB
9. Frequency: 20Hz-20KHz
10. Impedance: 32 ohms
11. Sensitivity: 85dB/mW
12. Packing list: earphone x1, charging cable x1, manual x1, ear cap x1
13. Weight: about 13.8g
14. Size: about 5.2 x 5 x 2.2cm

Features:
1. LED intelligent digital display, which can display the power
2. IPX7 waterproof, fully enclosed sound chamber to prevent the infiltration of daily sweat and rain
3. Anti-shedding soft rubber ear hooks, comfortable to wear, can be worn on both left and right ears
4. High-definition voice calls, can be answered by voice control, Yes to answer/No to reject
5. 12mm large diaphragm, balanced adjustment technology, clear layers and rich details
6. Bluetooth 5.2 version, widely compatible with various mobile phones and systems