Compact size and portable roll-up electronic drum set, very convenient to carry and store. With 7 silicon drum pads including or Snare or Hi-Hat or Crash or , making excellent sounds and simulating real beating effect. SNARE and HI-HAT positions can be exchanged by pressing SPECIAL button, according to the hahit of player. Built-in 5 drum set tones, 8 demo and 3 types of rhythms for easier practice. Supports USB port or 2 x AAA batteries power supply.(batteries are not included) With 3.5mm headphone output jack for connecting external earphone or speaker. With MP3 input for connecting MP3 or smartphone or tablet to playing accompanying music. perfect for drum set learning and practicing of kids or beginners, family entertainment and friends gathering. Specifications: Drum Set Tones: POP, Rock, Latin, Electro, Percussion Demo : Heavy Rock, Funk, Latin, , -, Swing Hi-Hat, Upbeat Rock Power Supply: USB Cable(included) or 2 x AAA Batteries(not included) Item Size: 43 x 28 x 2.7cm or 16.9 x 11 x 1.1in Item Weight: 455g or 16oz Power: DC 5V Input: 2.5W Output: 2W Colour:black Material:Silica gel Package Contents: 1 x Hand Roll Drum 2 x Drum Sticks 1 x English User Manual Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.