💕💕37 black and whi-te keys with external microphone. 💕💕The keys are composed of 37 scales, the size of the keys just fits the baby's fingers). 💕💕Connect the microphone to the electronic organ, sing while playing, and open the door to music. 💕💕2 tone olume adjustment/4 rhytem) music/pause button/two demo) songs/beat. 💕💕It can be heightened as the child grows, and the disassembly is simple).