88-key thickened key hand-rolled piano, portable electronic piano when opened, suitable for adults and children,black wege features:<br />the 88-key portable rolling piano is easy to store and carry.<br />the thickened silicone keyboard design makes it feel more realistic and comfortable.<br />there are 80 demo songs, 128 rhythms, and 140 tones.<br />support recording, programming, playback, tutorial, sustain and vibrato functions.<br />with built-in speaker and headphone jack, used to connect headphones or external speakers.<br /><br />specification:<br />color: black + white<br />material: silicone + plastic<br />keyboard: 88 keys<br />pitch: 140<br />rhythm: 128<br />demonstration songs: 80 songs<br />power supply: built-in 1100ma lithium ion battery or usb 5v power adapter<br />body size: 23*9.5*2.5cm/9.1*3.7*1in<br />keyboard size: 125*16*1cm/49.2*6.3*0.4in<br /><br />packing list:<br />1 * roll up the piano<br />1 * pedal<br />1 * usb data cable<br />1 * power adapter<br />1 * user manual<br /><br />your support is our greatest motivation; if you have any questions, you can email us and we will be happy to help you.