In addition, it has passed ASTM tests to ensure that your baby is safe to use. Karaoke microphone and fun flash: The keyboard is equipped with an external microphone to sing your happiness through the unique karaoke function. During playback, the flash will light up beautiful lights.The convenient music stand makes your children play more easily. Record and create your own music: Convenient "record and play" can help children record their own songs and impress their musical talents. You can also use headphones to have more fun. Two power modes, powered by 3 AA batteries or USB cable. The perfect gift for children: Removable legs and light stools make it easy for children to play anywhere, to fully release their inner musical talents, and help to cultivate children's joy when incorporating happy music into the game Optimism. Item Name: Piano Piano Size: 42 x 33 x 10cm / 16.8 x 13.2 x 4in Battery: 4 x 1.5V AA (Not included).