The electric piano with 49-key rollable keys are standard keys, and the keys can be rolled up, small in size and easy to carry. Headphones can be plugged in. There are function hot keys on the surface of the keyboard, which is convenient to adjust the rhythm you like when you play this electronic keyboard piano . This home digital piano with 8 groups of drum rhythms, one key, one sound, recording and playback function, 16-level volume control, 32-level beat control, automatic sleep power saving function. With built-in 16 kinds of timbres, 10 kinds of rhythms, and 6 demo , the beginner piano can be used to learn and appreciate classic . , or an introduction to piano learning. use this electronic piano to cultivate beginner's interest in music. Can be by power cord or powered by 3 x AA batteries (not included) Colour:black Material:ABS, silicone, electronic components Size:16.5 x 83 x 22.5cm Package Contents: 1 x electric piano 1 x USB charging cable 1 x English manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.