Feature:1. 37 key electric keyboard is a wonderful musical intelligence toy to cultivate children's brain consciousness2. Come with a microphone, you can sing while playing the piano, and its recording function can record your own voice at any time3. This electric piano possess 8 tones, 6 songs, 5 rhythms, 5 percussion music with adjustable volume4. Using safe and materials with fine workmanship, smooth edges will not hurt children's fingers5. Portable size and dual power supply system (USB charging or 3 x 1.5V AA batteries) make the keyboard very convenient for outdoor and indoor use. Also can share with mobile phone power adapterSpec:Item Type: Electric KeyboardMaterial: PlasticColor: Black and whitePower Supply: 3 x AA batteries (not include) or USB cableCan share mobile phone power adapter.Size: Approx. 408 x 150 x 41mm / 16.1 x 5.9 x 1.6inPackage List:1 x Electric Keyboard1 x Microphone1 x USB Power Cord