The Casio SA 46 mini keyboard has built-in speakers and 8-note polyphony (up to 8 notes can be played at once). It includes 100 tones and 50 rhythms. It designed to be fun and easy to use with a simple change-over switch for switching between the piano and the organ sound. Casio Melody Cut Rehearsal System is also included allowing you to practise just the right or left hand while the keyboard plays the rest providing an alternative way to develop your music. This mini keyboard is finished with a built in grip for easy portability.