1. Chip: JL6973
2. Bluetooth range: 10m
3. Speaker outer diameter: 11mm
4. Frequency response range: 20Hz-20KHz
5. Sensitivity: 108db-+3db
6. Battery capacity: 50mAh
7. Charging compartment battery capacity: 300mAh
8. Charging voltage: 5V/1A
9. Working hours: 7h
10. Charging time: 2h
11. Charging port: Type-C
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