... capcitive battery 3,FM radio,LED flashlight. USB mini speaker boxSelling PointSupport USB Flash Driver, SD card, Line In, Torch Light, FMSpecificationOutput power3WSNR ... .5 V (maximum 2V ppm)Speaker Impedance4ΩDistortion≤5%Torch LightΦ5 FM FM moduleP5807FM band range87.5 - 108 MHzSensitivity75 ΩMono, 26 dB ...