Same sound with the real drum kit. Product Description Roll-up Drum Kit W758 is high-tech entertainment product with modern science and ... product design makes products embody cool, convenient. Roll-up Drum Kit W758 extends the classical beauty of the old, which is ... connect to computerSupport MP3,loudspeaker,headphoneCan be powered by battery,usb charger,usb port on pc. Portable Roll-up USB Drum Kit