... box 1,double play format MP3,WMA 2,high capcitive battery 3,FM radio,LED flashlight. Selling PointSupport USB Flash Driver, SD card, Line ... )Speaker Impedance4Ω4ΩDistortion≤5%≤5%Torch LightΦ5N/A FM FM moduleP5807P5807FM band range87.5 - 108 MHz87.5 - 108 MHzSensitivity75 Ω75 ... /500MA 1100MAH rechargeable lithium multi-media mini speaker box,WMA,MP3 player