Item Type: Kids Electronic Piano_x000D_ Material: PS_x000D_ Size: Approx. 56 x 18.5 x 6cm / 22.0 x 7.3 x 2.4in_x000D_ Power Supply Mode: 4 x AA battery (Excluded)_x000D_ Having 10 demo songs, 8 tones, and 6 rhythms_x000D_ Functions: Recording, playback, volume, animal sound effects 1Multi Functional: The electronic piano keyboard is suitable to be the first primary keyboard, has basic and some advanced functions 2Cultivate Interest: Allows children to understand and learn the most basic knowledge of music, and cultivate children's interest in music 3Suitable Length: The electronic piano keyboard has 37 keys, and the length of the mini keyboard is suitable for toddlers and children 4Mini Keyboard: Suitable for children's small hands, when playing the piano keyboard, don't worry that children's fingers are not long 5Environmental Friendly: Can also use four AA batteries, which is more durable1 xKidsElectronicPiano1 x User Manual