Size: 90 x123x60mm
Single Weight: 165g (GW) standard colors: black， white， yellow， red， blue， green
Bluetooth range: 10 m
Frequency response: 100 hz-20khz
Output: 3 w
SNR: 75db
Built-in lithium battery: 400mAH
Charging voltage: 5 v
Charging time: 2-3 hours
Duration: 4-5 hours
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