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.