61 full-size keys on an arranger keyboard Touch-sensitive keys allow for better dynamic control. 200 rhythms and 600 tones provide a wide variety of sounds. The Chordana Play app allows you to play free music while controlling other MIDI devices via USB-MIDI connectivity. An expansive sound is produced by the onboard stereo system. Performances can be listened to on a 5-track recorder. You can play anywhere with the optional strap pins and battery power.