1、49 Keys: Roll up piano features 49 keys that attract children attention and inspire their musical creativity, give kids a high performance piano experience. 2、Realistic Sound: With excellent sound effects that mimic the sound of a real piano, this hand roll piano provides a superior music experience for your kids. 3、Suitable for Beginners: Whether you are a child or an adult, hand roll piano toy provides a convenient and easy to use learning and practice tool. 4、Multifunction: Kids hand roll piano is not only a toy for entertainment but also a valuable educational tool, offers both fun and promotes music education. 5、Portable: 49 keys roll up electronic piano is small in size and light in weight, allow kids can enjoy playing music anytime, anywhere, suitable for home and travel use. 1 x Electronic Roll Up Piano  1 x User Manual1 x Charging Cable Item Type: 49 Keys Roll Up PianoMaterial: PlasticBattery Type: Lithium BatteryBattery Capacity: 450mah(Included)Size: Approx. 12.5 x 71 x 15cm / 4.9 x 28 x 5.9in