Specification:

        Product Size:178x48x58mm
        Bluetooth chip:BK3254 ATS2823
        Bluetooth Version 4.0
        Speaker power:3W*2
        Charging voltage:5V
        Resistivity:4Ω
        S/N ratio>80dB
        Battery capacity:Lithuim 2000mAh
        Bluetooth speaker&Hands-free phone
        Built-in rechargeble battery for 5hours of music
        Support TF Card
        CE,FCC,ROHS availble

     Features 

            Bluetooth speaker&Hands-free phone