Casio WU-BT10C5 dongle is the key to making your keyboard into a Bluetooth device. Casio understand how much technology can help with creating music, so have made this addition to your keyboard to make it easier to be inspired and play your own style music. With Bluetooth Audio, your keyboard can be a speaker and play your smart device's music for you to play along to, or just to listen! The WU-BT10C5 also works as a Bluetooth MIDI device. This makes it possible for your keyboard to connect wirelessly to a variety of piano teaching apps, including Casio’s own Chordana Play (for iOS and Android devices). Chordana is a valuable learning and performance tool, providing a music score and piano roll notation to help you learn new songs easily in a fun, visual way. Chordana Play is one of the apps you can access with this Bluetooth dongle. Read below for the details of this excellent learning tool. Casio understands that technology plays a large part in education, and learning to play the piano is no exception! Now you can connect your smartphone or tablet to your keyboard via a USB cable or the new WU-BT10C5 Bluetooth dongle (available separately) to unlock a wealth of educational features. Using the free Chordana Play app, you can learn any of the 50 included songs or add your own MIDI song files. Chordana will automatically generate a music score from the file, and even waits for you to play the correct note before continuing, so you really can learn the piano at your own pace.