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1. Bluetooth version 3.0
2. Effective distance within 10m 3. Lithium battery capacity: 250mAh 4. Charging time: 2-3 hours 5. Sustainable working hours: 100 hours 6. Standby for 100 days 7. Working voltage: 3.0-4.2V 8. Working current: <2.5mA 9. Standby current: <0.3mA 10. Sleep current: <40uA 11. Charging current: >200mA 12. 5 million button click life |
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