ASTOTSELL Kids Piano Toy, Mini 37 Keys Piano Keyboard Beginner Piano for Kids Ages 3 4 5 6 Years Old Boys Girls and More QA: 1.What should I do if the packaging is damaged? --We use color box packaging. If you find that the box is damaged after receiving the product, you can immediately contact customer service to replace it, or you can email us through your order and we will provide you with after-sales service .. 2.What should I do if the speaker doesn't work？ --This piano is only working with a single speaker. If neither speaker works, we will provide a full refund and free replacement. 3. What should I do if missing accessories ? --This pack contains an electronic keyboard, a USB power cord, and a microphone, the power adapter is not included. If it is found that the USB power cord or microphone is missing, we will provide a full refund and free replacement. 4. Is there a manual? --Our kids keyboard is a relatively simple product and easy to use， so the package does not contain manual, if you meet problems and don't know how to operate, let us know and help you to solve it. Multifunction: -37 Kyes -24 Demo Songs -8 Rhythms -Lesson Function -Microphone -MP3 Paly Specifications: Color: Black Packing:Colorful Box Material: ABS plastic Suitable for age: 3+ years Piano size: 33 * 11 * 4.5cm Power Battery: 4 x 1.5V "AA" type battery (not included) High Quality Materials: -Made from non-toxic ABS materials. -The surface of the entire keyboard is smooth. You don't need to worry about your child being hurt. -A great educational toy for your kid. -A wonderful music intelligence toys to develop children