... card slot & line in function Stereo,Loud,Clear Hi-Fi sound system with FM radio mini Pyramid speakerFeatures:1) Play music from USB disks ... ,iphone&all kinds of audio devices 2) Stereo,Loud & Clear Hi-Fi sound system3) 3.7V 890MAH , Built-in rechargeable Li-ion ... audio cable - 1pcInstruction manual - 1pcDetachable, rechargeable Li-ion battery - 1pc mini Speaker