The Casio CTK3500 is a digital portable electronic keyboard that comes with a stand and adaptor. The keyboard has 61 touch-sensitive, full-size keys that churn out 400 tones. Also, there are 100 inbuilt rhythms and an additional set of 50 dance music tunes. The instrument lets you produce and remix EDM (electronic dance music) easily and quickly. The keyboard can also be connected to your Android or iOS device.