Features: Roll-up design, portable, light weight, and concise. Standard drum-set with foot pedal makes you feel absolutely the same as real drum. 9 pads with 3 different drum styles, natural and powerful sound. With recording function, convenient to record your inspiration anywhere anytime. Can use built-in music or connecting your computer or MP3 as accompaniment. Adjustable playback speed and volume. Besides connecting amplifier, you can connect a headphone to enjoy the sound by yourself without disturbing others. Powered by USB 5V or 2pcs 1.5V AAA batteries. Perfect for personal learning and listening. Specifications: Color: Black with white Material: Silicone Power supply: USB 5V or 2pcs 1.5V AAA batteries (batteries are not included) Item size: 40 * 27 * 0.5cm / 15.7 * 10.6 * 0.2in Item weight: 665g / 23.4oz Package size: 41 * 30 * 5.5cm / 15.7 * 11.8 * 2.2in Package weight: 1214g / 42.9oz Package List: 1 * Electronic Drum 1 * Foot Pedal 1 * USB Cable 2 * Drum Stick 1 * Operation Instruction (English) Note: Batteries are not included. This electronic drum is without speaker. You need to connect it to amplifier or headphone to enjoy the sound.