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Contact SupplierBluetooth Version: V2.1+EDR
RF distance:10M
Frequency:120HZ-20KHZ
SNR:SN�80db
Distortion:�0.5%
Working voltagecurrent:3.4-4.2V
Charging voltagecurrent:USB 5V
Battery capacity:400mAh
Playback time:About 3H
Rated power:3W
Material:ABS