Features: Portable and professional drum. High quality drum sound inside, brings you nature and powerful sound effect. Standard drum setting and expansive pedal make you feel absolutely the same as real drum. Professional demo inside, convenient to study. Accompaniment inside, temp adjustable (40-208), gives you the best way to study and practice. With record function, you can record your inspiration anywhere anytime. Audio input and output, excellent expandability for other devices. Powered by 2 * AAA batteries or DC 5V port. Specifications: Interface: Mini USB Input voltage: USB 5V or 2 * AAA(1.5V) (AAA battery is not included) Material: Silicone Color: Black Item size: 38 * 27cm/ 15.0 * 10.6in Item weight: 680g/ 1.50Lb (with accessories) Package size: 32 * 16.5 * 6.5cm/ 12.6 * 6.5 * 2.6in Package weight: 840g/ 1.85Lb Note: This electronic drum is without speaker. You need to connect it to amplifier or headphone to enjoy the sound. Package List: 1 * Electronic drum 2 * Drum stick 1 * USB cable 1 * Foot pedal 1 * User manual