Casio | Keyboard |SA-51H2 + AC Adaptor | Black

Octave shift: Raise or lower the pitch of notes in octaves to cover a wide range of registers, Tuning: Adjust the tuning in 1Hz increments to match other instruments or vocals, Transpose: Raise or lower notes in semitone steps, Metronome: Useful for practicing playing at a constant tempo, Tempo adjustment: Change the tempo of the rhythm and metronome to suit the music