Working current: 3.0mA 3. Working hours: about 80 hours 4. Low battery alarm: 3.0-3.3V 5. Sleep current: 0.3mA 6. Battery capacity: 150mAh 8. Key strength: 50g-70g 9. Charging input: 5V/1A 11. Connection distance: about 10m 12.
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