Waterproof Waterproof Sports Wireless Bluetooth Headphones (Black Black)

1. Clear calls Long battery life Active noise reduction
2. Bluetooth 5.0 chip low power consumption power saving and power saving
3. IP54 dustproof and waterproof Balanced armature Knowles composite diaphragm
4. Function: battery display call function
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 earphones: 3 times
10. Working time: 6 hours (headphones) + 18 hours (charging box)
11. How to wear: In-Ear
12. Audio decoding: LHDC SBC AAC
13. Bluetooth protocol: A2DP AVRCP HFP
14. Transmission range: 10 meters
15. Battery capacity: earphone: about 40 mAh battery compartment: about 400 mAh
16. Power mode: USB charging / built-in lithium battery