Roland Compact 88-key Digital Piano with Built-In Speaker, contemporary black (F-140R-CB) Rolands industry-leading piano technologies in a stylish, affordable instrument for smaller living spaces Supernatural Piano delivers the rich, authentic tone of a real acoustic grand PHA-4 Standard Keyboard features high-resolution sensing that maximizes the vast tonal potential of the Supernatural Piano sound engine Sophisticated onboard rhythm feature with intelligent accompaniment; 72 different rhythm styles, including 6 pianist styles Explore a world of instruments beyond the acoustic piano with 305 additional tones that include electric pianos, strings, organs, guitars, brass, synthesizers, and many others Headphones 3D Ambience effect provides a multi-dimensional sound experience while using headphones for private practice Connect your smartphone or tablet via Bluetooth technology to turn sheet music pages wirelessly