B20 Magnetic Suction Charging Bone Conduction Wireless Swimming Earphone, Gray, Red

1. Bluetooth version: 5.0
2. Support protocol: A2DP v1.3, AVRCP v1.5, HPF v1.6, HSP v1.2
3. Noise reduction function: CVC6.0
4. Working frequency: 20HZ-20KHZ
5. Battery: 200 mAh lithium battery
6. Music playback time: 4-5 hours
7. Talk time: 5-7 hours
8. Standby time: 120 hours
9. Charging time: 1.5 hours
10. Charging port: magnetic
11. Wireless transmission distance: 10-15 meters (open place)
12. IPX8 waterproof rating, safe and reliable use