The Yamaha Arius YDP-143 digital piano features a traditional console design with 88 weighted keys. Graded Hammer Standard (GHS) key action, Pure CF sampling, and Damper Resonance provide the feel and sound of an acoustic piano. A standard USB cable will connect the YDP-143 to a computer or mobile device, or use a separate connection kit to connect with the Yamaha Digital Piano Controller app for iOS devices.