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WJ-B11 portable wireless Bluetooth speaker；·Bluetooth version:Jieli V5.3
·Output power: 5W
·Horn unit:Ф52MM 5W
·Frequency response:80~20kHz
·SNR:≥85dB
·Input voltage:DC5V/500mA
·Battery specification:3.7V/800mAh 18650
·Play time:About2-4Hours
·Function: Bluetooth/USB/TF/FM /TWS/TYPE-C
