1. Non-inductive wearing, long battery life, strong bass, high-definition calls
2. Bio-diaphragm, 9D stereo surround mid-bass, waterproof and sweatproof
3. Support voice prompt, CVC6.0 noise reduction
4. Magnetic absorption, portable design, light and comfortable to wear, not easy to lose
5. Ergonomic design, firm wearing, comfortable in-ear
6. Bluetooth 5.0 chip, stable transmission, simple connection, smooth calls and songs
7. Memory soft silicone material, can be bent at will, comfortable and skin-friendly, resistant to dirt and not easy to wear
8. Two connection methods of Bluetooth + card
9. Audio and video synchronization, zero delay
10. Transmission distance: 10 meters
11. Function: call function, support music
12. Charging time: about 2-3 hours
13. Listening to songs and talking: about 38 hours
14. Power mode: USB charging / built-in lithium battery
15. Battery capacity: 280mAh
16. How to use: Neck hanging
17. Input voltage: 5V
18. Input current: 200mA
19. Input power: 5W
20. Frequency response: 20Hz-20KHz
21. Microphone sensitivity: -42dB
22. Speaker sensitivity: 115dB
23. Speaker impedance: 32 ohms