No capacity inside, Mirco SD card slot Feature:Clip on your sleeve, or your lapel, or your beltClip on your MP3 and wear it ... , Black, Red, Green, Silver, Blue, Orange, PurpleFlash Memory CapacityN/AMicro SD(TF) / SD Slot Capacity128MB-8GBAccessories includingUSB cable, 2. Earphone, 3. Plastic box