Item Type: Kids Electronic Piano Material: PS Size: Approx. 56 x 18.5 x 6cm / 22.0 x 7.3 x 2.4in Power Supply Mode: 4 x AA battery (Excluded) Having 10 demo songs, 8 tones, and 6 rhythms Functions: Recording, playback, volume, animal sound effects Package List 1 x Kids Electronic Piano 1 x User Manual 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 durable