Children 37 Keys Toy Piano Roll Up Electronic Portable Keyboard Anytime, Anywhere to Achieve Music Dream - However, it is like a mat thin, rolled up like a book as small as light, it is convenient to carry with you, so that music at anytime to bring you joy. family gatherings, get-together, field trips, anytime anywhere can reveal your talents, bring friends and family more happy. Be Able to Play The Piano, Achievements You and Your Child's Dream of Music - Folding piano, you no longer bear the guilt, children now can learn the piano; the piano the excellent sound quality can help a lot of people anytime, anywhere to achieve long stored in the heart of the music dream. at home, in the dormitory, in the journey can practice. it cost for you in terms of almost no burden. Enjoy Entertainment and Learning at The Same Time - A simple keyboard to make children more convenient to operate, more desire to learn. lovely shape to the child to bring more interest to learn, like playing with toys as happy and easy. A Number of Options - Power supply can choose 4 AA batteries, you can also use the AC power adapter. package exclude the batteries and the power adapter. battery could support 10 hours play time, when you dont play the piano pls discharge the battery, because the battery will lose the power too. when you use the power adapter to play the piano, pls dont put the battery inside . Hassle-free Warranty - 30 days unconditional return, why think it twice, buy it now!!!