Feature: 1. 37 key electric keyboard is a wonderful musical intelligence toy to cultivate children's brain consciousness 2. Come with a microphone, you can sing while playing the piano, and its recording function can record your own voice at any time 3. This electric piano possess 8 tones, 6 songs, 5 rhythms, 5 percussion music with adjustable volume 4. Using safe and environmentally friendly materials with fine workmanship, smooth edges will not hurt children's fingers 5. 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 adapter Specification: Item Type: Electric Keyboard Material: Plastic Color: Black and white Power Supply: 3 x AA batteries (not include) or USB cable Can share mobile phone power adapter. Size: Approx. 120 x 100 x 40mm / 4.7 x 3.9 x 1.6in. Package List: 1 x Electric Keyboard1 x Microphone1 x USB Power Cord