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THECOO D708K Portable Mini Bluetooth Speaker Wireless MP3 music Player computer phone subwoofer  loudspeakers

*Bluetooth Version: 4.0+EDR
*Rated Power: 2×5W;
*Driver Unit: 45mm×2   
*Frequency Response: 120Hz~20kHz
*Receiving Range: ≥10M (No blocking)
*Power Supply: DC 5V
*Battery Type: Li-ion (built-in) 3.7V， 2600mAh
*Operating Time: ≥8Hrs;
*Charging Time: 3~4Hrs

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