[37 Keys Keyboard Piano] This 37 keys kids piano keyboard is equipped with microphone. And it can play 8 rhythms, 8 tones, 6 demos, 4 percussion and 4 animal sounds, recording and playback function, allowing your kid learn a musical instrument easily while playing. [Piano Keyboard Specifications] The kids keyboard piano is made of environmentally friendly plastics, sturdy and non-toxic, fine workmanship and smooth edge design, which is designed for small fingers, allowing children to practice playing the piano better. Product size: 43*16*5.5cm/16.9*6.3*2.2inch, it is lightweight and easy to carry around. [USB Charging/3 AA Batteries Powered] The musical piano keyboard adopts a dual power supply, USB charging or 3pcs 1.5V AA batteries (not included), and battery power is convenient for playing indoor and outdoor. This kids piano keyboard is mono and only the left speaker works. [Microphone Function] With a mini microphone, kids can sing while playing. It is recommended to use the microphone to beat the rhythm while playing the piano. This can bring a lot of fun to kids. Help children fall in love with creation while playing the keyboard, so that they can have fun in the process of creating music.(Mic is stored behind the keyboard) [Best Gift for Kids] Recommended toy piano keyboards for 3/4/5/6/7/8 years old kids, suitable for birthdays, Children's Day, Christmas, New Year's Day or other festival as gifts. The piano keyboard can not only help children improve their hand-eye coordination when practicing pressing a single key, but also cultivate their interest in music.