PERIBOARD-535 its first ergonomic keyboard featuring slim low-profile mechanical switches. Designed for high-end, ergonomically focused users, it offers a full-size wired layout with advanced comfort and functionality. Key features include smooth low-profile switches, programmable keys, adjustable tilt legs, and an ergonomic split design. The PERIBOARD-535 is the perfect choice for anyone seeking a premium desktop keyboard that combines performance, comfort, and efficiency. The newly updated firmware has improve some default and programming setting. It also adds the NKRO feature on the keyboard, and improve the strength of the key feet.