This electric piano keyboard is the perfect musical companion for children! Featuring 37 keys with 8 rhythms, 8 tones and 22 demos, this electronic keyboard piano allows children to explore different musical styles and develop their auditory skills and musical talent. So, what's Included? The included one key one note function offers an intuitive playing experience ideal for young beginners. Accompanied by a microphone, this piano instrument toy also supports singing along, adding an interactive layer that enhances engagement. Designed with convenience in mind, it offers 2 power supply options: use 3 Aa batteries for portability or connect it to an adapter with a ""4.5-6V, 0.3A"" power output for continuous play. The Usb charging cable is included to ensure straightforward charging.