Keyboard from Casio. Casio introduced the world’s first electronic keyboard in 1980, bringing the gift of music and creativity to millions of people. Nearly forty years later, the new Casiotone series changes everything once again, building on Casio’s renowned traditions of innovation, versatility and value for money. The new Casiotone series is designed to be the world’s most portable 61-note keyboard. New features such as an integrated carry handle, piano-shaped keys, longer battery life, smooth corners and a slim profile make this the perfect introduction to music. Using the CT-S100 couldn’t be easier. The unique panel design makes selecting any of the sounds and rhythms straightforward. The CT-S100 can connect to any computer or mobile device via the USB host terminal, opening a whole new world of musical possibilities.