No capacity inside, Mirco SD card slot Feature:Clip on your sleeve, or your lapel, or your beltClip on your MP3 and wear it as badge of musicalNo need Drive, Plug and playBuilt-in lithium battery Basic InfoGross Weight100g/setItem Size30 X 30 X 11 MMCurrent LanguageN/AColorPink, Black, Red, Green, Silver, Blue, Orange, PurpleFlash Memory CapacityN/AMicro SD(TF) / SD Slot Capacity128MB- ...