CME Xkey 25-key Mobile Keyboard Controller with CME Xkey Sleeve Carrying Case Includes 30 Free Songs for Piano Maestro for iOS and 30 Free Songs for PC Ultra-slim, lightweight keybaord, Excellent for any travelling musician or producer Professional velocity sessitivity and polyphonic aftertouch High resolution pitch bend Modulation button with continuous MIDI control data USB powered and Firmware updatable via USB, ready for new features Kit Includes CME Xkey Mini Keyboard + Carrying Sleeve Case