- Bluetooth Version: 6.0
- Working Current: 10-20mA
- Working Distance: 10m-20m
- Horn: 10mm
- Battery Capacity: 280mAh
- Impedance: 16Ohm
- Working Time: 35 hours
- Standby Time: 300 hours
- Charging Time: 1.5 hours
- Charging Power: 5V/150mA
- Working Voltage: 3.1-4.2V
- Working Environment: -10°~60°C
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