OSB-006 mobile battery+torch+speaker+MP3 player=4in1

super mobile power source(2500mAh)

built-in Lithium battery for IPHONE ,NOKIA etc.

electronics for outside emergency needs;
support Micro TF card, USB Plug,  LINE-IN function from computer ,

FM radio , Sound Card function for music play;
support night use illumination  with  alarm function (8-12 hours) ; 

rechargeable through USB plug;
bike use application: to be fixed on the bicycle ;
Output power: the RMS 3W  stereo;
Frequency response: 20Hz-20KHz ;
Power input: DC 5V / 1000MA