*Bluetooth Version:2.1+EDR
*Rated Power: 2X3W; 
*Driver Unit: 40mmX2
*Passive radiators: 2  
*Frequency Response: 120Hz~20kHz
*Receiving Range: ≥10M (No blocking)
*Power Supply: DC 5V
*Battery Type: Li-ion (built-in) 3.7V, 900mAh
*Operating Time: ≥8Hrs; 
*Charging Time: 3Hrs                                           *Thickness: 24.5mm
*water-resistance, dustproof, shockproof
*hands free, TF card slot, Aux in