U20 Zero Delay Professional Wireless Gamming Earbuds with LED Display and Mic

Specification

1. Bluetooth version: 5.0
2. Bluetooth Chip: JL6983D4
3. Charging Interface: Type C
4. Earphones : Built-in 40mAh Rechargeable (Included)
5. Charging case : Built-in 300mAh Rechargeable (Included)
6. Earphone Charging Time: about 1 Hour
7. Charging Time for Charging Box: about 1 Hour
8. Input Voltage: DC5V 500MA
9. Working Voltage: 3.2V-4.2V
10. Earphone Standby Time: about 45 Hours
11. Earphone Music Playing Time: 8 hours
12. Speaker Specifications: Φ13mm
13. Impedance: 32Ω/typ
14. Frequency: 20Hz～20KHz
15. Sensitivity: 115±3dB
16. Input Power: Conventional 5mW, Maximum 10mW
17. MIC Sensitivity: -42±3dB
18. Support Profile: HSP, HFP, A2DP, AVRCP
19. Communication Distance: 10m
20. TWS Function: Support (After two earphones are paired and connected, they can be used as true wireless stereo earphones.)
21. Audio Sampling Accuracy: 16 Bits
22. Signal to Noise Ratio: >115dB
23. Working Temperature: -15 Degrees Celsius～+60 Degrees Celsius
24. Working humidity: 10 Percent ~85 Percent
25. Compatible Systems: for iOS, for Android