Specifications: 
Keyboard model: 88 keys 
Tone: 128 
Rhythm: 100 
Demonstration songs: 23 
Powered by: 4 * AAA batteries(not included) or DC 5V 
Material: Silicon 
Item size: 
Main body: 9 * 23.5 * 2.7cm/ 3.54 * 9.25 * 1.06in(L * W * D) Keyboard: 133 * 14.2 * 0.6cm/ 52.36 * 5.59 * 0.24in (L * W * D) 
Item weight: 1020g/ 2.249Lb 
Package size: 34 * 23.5 * 6.5cm/ 13.39 * 9.25 * 2.56in 
Package weight: 1480g/ 2.363Lb 
Package list: 
1 * 88keys Roll Up Piano 
1 * Power Adapter 
1 * Foot Pedal 
1 * User manual