multi-media USB mini speaker box 1,double play format MP3,WMA 2,high capcitive ... 3,FM radio,LED flashlight. Selling PointSupport USB Flash Driver, SD card, Line In, Torch Light, FMSD card, Line In,FMSpecificationOutput ... V (maximum 2V ppm)0.5 V (maximum 2V ppm)Speaker Impedance4Ω4ΩDistortion≤5%≤5%Torch LightΦ5N/A FM ...