Features: 32 keys battery organ with microphone and stool Record and playback features Comes with 22 demo songs Switch between sounds: Piano, Organ, Violin, Guitar Switch between 4 rhythms: Slow Rock, Rock, New New, Disco 4 different drum sound buttons Volume up/down button Can be connected with MP3 device or USB flash disk to play music Can be connected with Earphone to listen music Enters power–saving sleep mode automatically after a period of inactivity Certificated by EN71、7P、EN62115 Requires 4 AA batteries (not included) Easy to assemble