37-key children's piano: We are the BIGFUN brand, a professional piano manufacturer. This children's piano has passed the CPC children's certification and complies with RoHS safety standards Multifunctional Keyboard Piano: Piano playing function + dual speakers + ensemble mode + audio cable jack + keyboard drum + recording and playback function + automatic standby sleep function + 8 rhythms + 6 demo songs + 4 percussion instruments USB power cable: The DC power connector of the USB power cable is connected to the power jack on the back of the keyboard, and the other end is connected to a USB power adapter with a DC 5V-1A power output Toddler Piano: The electronic keyboard is designed for small fingers, suitable for young children to learn music and develop their musical talents. Children's pianos help develop their playing skills, make them more confident, and also help them develop greater finger dexterity Educational toys for early childhood: The music mode allows them to play the piano like a regular keyboard. The keyboard can also help children improve their motor skills when practicing pressing individual keys. There are various musical instruments to choose from, encouraging children to explore different sound combinations. This toy can help your child develop important skills such as hand-eye coordination, music theory, and fine motor skills