1. Material: ABS+PC
2. Power input: 5V/1A
3. Charging box charging port: Type-C
4. Number of cycles: about 5 times
5. Charging box charging time: about 1.5h
6. Headphone charging time: about 1.5h
7. Shell battery capacity: 400mAh
8. Headphone battery capacity: 30mAh
9. Standby time: about 120h
10. Talk time: about 3 hours (70% volume)
11. Music time: about 4 hours (70% volume)
12. Frequency response range: 20Hz-20KHz
13. Bluetooth range: 10m
14. Working frequency: 2402MHz-2483.5MHz
15. Supported protocols: HFP, A2DP, AVRCP
16. Audio decoding: AAC, SBC
17. Bluetooth version: V5.3
18. Ultra-compact design, long-lasting comfort and better sleep
19. Surrounding silicone ear wings, soft and skin-friendly, comfortable to wear, and fit firmly
20. Ergonomic design, effective passive noise reduction, suitable for different environments
21. Fantastic transparent lid, automatically connected when opening the box
22. The latest Bluetooth 5.3 technology, faster and more stable