USAMS BE16 Ice Tray Series Transparent TWS In-Ear Wireless Bluetooth Earphone(Black)

1. Material: PC
2. Bluetooth version: 5.3
3. Horn diameter: 10mm
4. Bluetooth connection distance: about 10m
5. Speaker frequency range: 20HZ-20KHZ
6. Headphone battery capacity: 30mAh
7. Continuous talk time: about 3h
8. Continuous playback time: about 6h
9. Headphone charging time: about 1h
10. Charging box battery capacity: 300mAh
11. Charging time of charging box: about 1.5h
12. Charging compartment input: 5V
13. Battery life: about 70 hours
14. Support stereo effect, high-definition microphone call
15. Upgrade Bluetooth 5.3 version, sensitive fingerprint touch
16. Single battery life is 6 hours, combined battery life is 36 hours