The ROLI Seaboard Grand Limited First Edition is a limited-edition, high-end MIDI controller designed for professional musicians. It features a unique touch-sensitive surface that allows for expressive control of sound and music. The Seaboard Grand Limited First Edition has a range of features, including a 5D touch surface, pressure-sensitive keys, and a range of software instruments and effects. It is compatible with a range of music production software, including Ableton Live, Logic Pro X, and Pro Tools.