ONIKUMA T306 Ear-mounted Wireless Bluetooth Earphone(White)

1. Chip: JL69732. Bluetooth range: 10m3. Speaker outer diameter: 11mm4. Frequency response range: 50Hz-20KHz5. Sensitivity: 108db-+3db6. Battery capacity: 50mAh7. Charging compartment battery capacity: 300mAh8. Charging voltage: 5V/1A9. Working hours: 4h10. Charging time: 2h11. Charging port: Type-C