A new generation of keyboards and high-speed processors give you a high-performance piano experience. With an extremely light and fold able design, built in rechargeable battery allows for play on the go for up to 15 hours. Play the fold able piano in your living room, bedroom, or while having a picnic in a park outside!Maintenance and recording, USB, external speakers, headphones, external power supply. Roll up piano has a more powerful function and more gentle and standard tone, black keys higher than white, high-end keyboard thickening sense of perfection and the sensitivity is high. With multifunctional led digital display tube, simple operation. Professional designed for children and beginners, perfect gift for your friends and kids.