Bluetooth AUDIO enables you to wirelessly play music files or video clips through the premium speaker system of your piano. You can play along or simply enjoy your Kawai piano as a central part of your home audio system. MIDI stands for Musical Instrument Digital Interface and Bluetooth enables your Kawai digital piano to connect wirelessly to your favorite Bluetooth capable tablet or computer. Enjoy countless music applications, games, apps for recording and arranging, virtual band accompaniment and printing your own sheet music. This feature opens a whole world of opportunity for your digital piano.