USB Mini Speaker With Card Reader

1.Specifications of the mini speaker :
    1.1.Supply Voltage: 5V 
    1.2.Circuit Current:500mA
    1.3.Output power:1.5w
    1.4.Frequency responce: 150Hz-20kHz
    1.5.Impedance:8R
    1.6Signal-to-Noise Ratio:>75dB
    1.7Material:enviroment protective ABS

2.Function of the mini speaker
   2.1.portable mini speaker,outdoor wireless speaker
   2.2.Support TF usb driver,MP3,MP4,WMA
   2.3.computer speaker 
   2.4.built-in lithium battery,rechargeable
   2.5.NANO-style button and noble metallic shell designed
   2.6.shell color can be choosed
   2.7.accessory:1 USB wire

3.Packing details of the mini speaker
    unit size:8.5*8.1*3.3cm
    100pcs/CTN
     N.W:13KGS
     G.W:14KGS
     MEAS:55*41*24CM

If any question,pls feel free to tell us.