MK Melody Electronic Musical Keyboard 37 Keys Piano With Mic(Black, White)

37 Key electronic Organ, 8 kinds of tamber, 8Kinds of rhythm (Contain 8 chords),4 Kinds rocks/ 4 kinds sound effects to choose,22 grades time and 4 grades volume to control record., Play and roulade function record,Play and roulade function Demo music,Works on 4 "AA" size batteries not included