Medeli MK1/GNNebula Series,keyboard, 37 mini size keys, with USB C cable for power supply, 1 x 2 W green,Medeli has years of experience in developing instruments for educational purposes. This addition to the catalogue is intended for the very youngest, but can also easily be taken on the road, put in a backpack or in the back of your car. Its small sized keyboard is easy to play, there are 10 sound buttons with fun graphic icons to give you all the unique sounds