1.Mini Speaker with TF/FM 2.Lithium battery rechargeable 3.USB Line or 3.5mm contact 4.suitable for mp5/mobile phone/pc

TECHNOLOGY DATAS:

1) Output: RMS 2W THD=10%

2)Frequency response:150-18000HZ(+/-3dB)

3)Signal and Noise ratio of power amplifier>= 80dB

4)Loudspeaker:diameter 40mm,magnetic resistant 8Ohms

5) One Line out 3.5mm Stereo plugs

6) Power supply: 5V/1000mA Lithium battery(can use NOKIA battery),USB,or AC power adapter

7) Dimension:170mm*70mm*20mm

8)Packing size:230mm*80mm*35mm

TF Card mini Speaker and Amplifier