Feature:1. The 49-key rollable keys are standard keys, which can be rolled up, small in size and easy to carry.2. There are function-keys on the keyboard surface, which is convenient to adjust your favorite rhythm.3. 8 sets of drum rhythms, one-key a tone, recording and playback function, 16-level volume control, 32-level beats-control, automatic power saving function.4. Built-in 16 kinds of tones, 10 rhythms and 6 demo songs for learning and enjoying classic songs.5. The sound of the built-in speaker is mellow, crisp and melodious.Specification:This rolled-up piano is a very suitable gift for children. It is comfortable to use, does not hurt children's fingers, and has a rich tone, which is very suitable for children's music initiation.Features:The 49-key rollable keys are standard keys, which can be rolled up, small in size and easy to carry.There are function-keys on the keyboard surface, which is convenient to adjust your favorite rhythm.8 sets of drum rhythms, one-key a tone, recording and playback function, 16-level volume control, 32-level beats-control, automatic power saving function.Built-in 16 kinds of tones, 10 rhythms and 6 demo songs for learning and enjoying classic songs.The sound of the built-in speaker is mellow, crisp and melodious.Specifications:Color: black, silver (optional)Material: siliconePower: 3 * AA batteries (not included)Item size(unfold): 830 * 160mm / 32.7 * 6.3inItem weight: 700g / 1.5lbPackage size: 285 * 180 * 80mm / 11.2 * 7.1 * 3.1inPackage weight: 1000g / 2.2lbPacking List:1 * Roll Up PianoPackage List:1 * Roll Up Piano