Specification :

Technical Data:
Dual power supply: USB, Lithium Battery
Signal transfer: AUX in 3.5mm, USB , SD card& FM radio,
impedance 4 Ohm Frequency Responses: 200Hz-20KHz
Aux in  3.5mm output 1W
voltage DC 5V Driver size  70X30mm
Dimensions 120* 65.5* 35.5mm N.W 130g
Material: plastic Color: Red/ yellow/ blue/ white/ black/ pink
Feature:
Appearance Patent No.: 201030110392.X
1. Support FM radio including auto search and save
2. Support SD card, support MP3 format
3. Compatible with laptop, MP3, MP4, mobilephone, PSP etc. via audio cable
4. Dual power supply: Lithium-battery and USB
5. With earphone jack and support auto standby