This is a portable and multifunctional electronic drum set for children and adults. It helps develop you interest in music and cultivate imagination. Compact and portable, with dual power supply methods, it's suitable for playing both at home or in outdoor activities. Note: Color and size may be slightly different due to manual measurement and different light conditions. Thanks for understanding. Specifications: Plug: UK Color: Black White Main Material: Silicone Built-in Speaker: 2 Speakers Demo: 11 Songs Style: 7 Kinds Accompaniment: 9 Groups Volume Control: 10 Levels Speed Control: 17 Levels Recording Function: Support MIDI Output: Support Audio Input: Support Foot Pedal: Support Power Supply: Built-in 1200mAh Lithium Battery or USB DC 5V Item Size: 48 * 32cm / 18.90 * 12.60in Package Size: 50 * 33.5 * 7cm / 19.69 * 13.19 * 2.76in Package Weight: 1630g / 3.59lbs Package List: 1 * Portable Drum 2 * Drumstick 1 * Foot Pedal 1 * USB Cable 1 * Adapter 1 * 3.5mm Audio Cable 1 * User Manual (English)