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Bluetooth version: 4.2
Battery capacity: 65mAh/3.7V
Frequency: 2.402-2.480GHz
Working time: about 4 hours
Charging time: about 2 hours
Standby time: about 160 hours
Transmission distance: 10m
Transmission power: class 2
Charging voltage: 5V/50mA
SNR: u226590dB
Weigh: 19g
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