1. Clear calls, long battery life, active noise reduction
2. Bluetooth 5.0 chip, low power consumption, energy saving and power saving
3. IP54 dustproof and waterproof, Knowles balanced armature, composite diaphragm
4. Function: call function, battery display
5. Frequency response range: 20-40000Hz
6. Input power: 5w
7. Input voltage: 5v
8. Input current: earphone: 0.2A, battery compartment: 1A
9. The charging box provides charging times for the headset: 3 times
10. Working time: 6 hours (earphone) + 18 hours (charging box)
11. How to use: In-ear
12. Audio decoding: LHDC, SBC, AAC
13. Bluetooth protocol: A2DP, AVRCP, HFP
14. Transmission range: 10 meters
15. Battery capacity: earphone: about 40mah, battery compartment: about 400mah
16. Power mode: USB charging / built-in lithium battery
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