MD04 Bone Conduction Bluetooth Wireless Sports Waterproof Earphone(Black)

1. Function: call function, support music
2. Channel: bilateral stereo
3. Standby time: about 200 hours
4. Music time: about 8 hours
5. Bluetooth protocol: 5.0
6. Talk time: about 48 hours
7. Battery capacity: 180mah
8. Charging time: about 30 minutes
9. Transmission range: 10 meters
11. Microphone sensitivity: -42 decibels
12. How to use: hanging ear type
13. Bluetooth version: 5.0+BR+EDR+BLE specification
14. Frequency range: 20Hz-20KHz
15. Features: super battery life, HIFI sound quality, high-definition call, high-definition noise reduction, IPX5 waterproof
16. Bone conduction black technology, no ear plugging, comfortable and safe