1、Easy to roll up for storage and carry, you can play anytime, anywhere. 2、Built‑in speaker, support for external headphones and speakers and with 8 different tones, 6 demo songs in it. 3、Powered by AC adapter (not included) or 3pcs AA batteries (not included). 4、With recording and playback function, can record the music you play, and also with echo and sustain function, volume controlling. 5、Intelligent sleep mode, can save energy after 3 minutes of no play. 6、This roll up piano is more suitable for beginners or advanced students learning piano. 1 x Roll Up Piano  1 x Power Cable1 x Chinese Instruction1 x English Instruction Condition: 100% Brand NewItem Type: Roll Up PianoColor: As Pictures ShownMaterials: Silicone Rubber (Keyboard), ABS Plastic (Control Panel)Power Supply: DC 5V or 3x 1.5V AA batteries (excluded)Power Adapter: USB DC 5V, 1000mA(excluded)Overall Size: Approx. 81x17cm/ 31.2x 6.7inKeyboard Size: Approx. 71x 12.5cm/ 27.95x 4.92in