Korg SP170S is a 88-key digital piano in white that is simple, stylish and easy to use. The SP170S captures the essential elements of a real piano. It moves the rear-mounted power switch and volume knob to the front panel, making sure easy operation for someone using a digital piano first. Therefore two new buttons added such as sound and piano play. When you press the Sound button, it lets you access and select one of the ten keyboard sounds the piano play button quickly selects the piano 1 sound, so great piano sound is just one button press away all the time.