Donner Roll Up Drum Electronic Drum for Kids Starters, Built in Speaker 1.Seven Drum Surface: 1 xCrash cymbal, 1 x Ride cymbal , 1 xRIDE, 1 xSnare, 3 xTom; 2 x Foot Pedals (include 1 xHi-hat, 1 xbass drum) 2.Three demo songs,three drum sounds,ten accompaniment.Include recording function,get all your inspiration in record easily. 3.Power: DC 5V/2000MA; Volume Control: 10 Levels;Speed Control:10 Levels. 4.2 high quality built-in speakers bring super bass effect,using as stero. 5.USB MIDI Jack, you can connect with computer to play all drum game(MIDI software:Sonar,Cubase,Nuendo,Ezdrummer).USB Micro Jack, connect with computer, laptop, tablet PC or mobile phone to charge