Portable Adult Beginner Children Hand Roll Electronic Drum(Black) Functions and features: 1. Portable multi-function professional electronic drum with stereo sound. 2. Light, stylish, simple and easy to carry. 3. Built-in multi-group high-quality drum sound source, the most real and most shocking drums. 4. The standard drum settings, pedal expansion interface to bring you the real shelf drum to enjoy. 5. Comes with a professional demonstration song, to facilitate your appreciation, learning. 6. With accompaniment, free to adjust the speed, is your best learning, practice partners. 7. Comes with recording function, so you can record your music anytime, anywhere inspiration. G. MIDI output, can be connected to the computer playing electronic drum game. 8. comes with high-fidelity double horn external sound, easy to use anytime, anywhere. 9. Audio input output interface, a strong ability to expand, free to choose music songs to create music. 10. Four power supply (A: USB 5V B: three AA batteries C: BL-5C lithium battery D: power adapter power supply). Note: 3 AA batteries need to be purchased by yourself. Specification 1. 10 drum surface: (include Ride cymbal x 1, Open Close Hi-Hat x 1, Bass x 1, Hi-Hat x 1, Snare x 1, Crash cymbal x 2, Tom x3). 2. 2 pedal (include hi-hat x 1, bass drum x 1). 3. 9 demo songs,11 accompaniments. 4. Volume control, Sped control. 5. Support record and USB midi function. 6. MP3 input, match your cell phone, tablet, PC and other device which could support music. 7. Build-in double stereo speaker. 8. input voltage: USB 5V(Battery: 3 AA x 1.5V). 9. Size: 490 x 370 x 66mm. 10. Weight: 1068g. Package Included: Electronic drums x 1 Foot Pedals x 2 Manual x 1 USB cable x 1 3.5 audio cable x 1 BL-5C battery x 1 Adapter x 1 Drum sticks x 2