1.Output Power: 2.5W 2.Input Sensitivity: 500mV 3.Charging Power Supply: DC 5V 4.Battery Capacity: 850mA 5.Support MP3/WMA

specification:

Build-in stereo FM radio      Build-in 1450mAH Li-ion battery,support long time play;            Using new technology Class D,Nice acoustic fidelity  Build-in flash memory,can storage large quantity music and data  Full function All in One port design,All external using single port .THD+N=0.15% @ 3W    SNR=94db @ 3 W Speaker Output:THD+N=0.15% @ 3W  using Japen original materialLed Flashlight

picture show:

  

flashlight mini speaker