Fineblue F901 Waterproof Lavalier Earphone for Driving and Riding(Black) Richwell The good quality with over-charge

The good quality with over-charge protection

Size: 188x138x28mm

Prevent palm touch

android phones with OTG function

freely adjusted according to the use scene

Fineblue F901 Waterproof Lavalier Earphone for Driving and Riding(Black) Richwell The good quality with over-charge1. Chip: Jerry 6976D4 2. Bluetooth version: 5. 1 3. Communication distance: about 10m 4. Battery capacity: 170mAh 5. Charging time: about 2h 6. Standby time: about 320h 7. Music playing time: about 21h 8. Charging interface: Type C 9. Charging voltage: DC5V 10. Lavalier style wear, can not be shaken off, long term wear without pain 11. 50km h wind noise reduction, no fear of strong winds, clear calls 12. IPX7 waterproof, support Bluetooth calls,