The mod_ is a fully modular, customizable, and hot-swappable 65% keyboard designed for a wide range of user preferences. It features a unique design that allows it to function as a unified keyboard or be split into two halves. Key functionalities include hot-swappable key-switches, a hot-swappable numpad that can be attached on either side, and a hot-swappable function row. The keyboard supports both ANSI and ISO layouts and incorporates strong magnets for easy assembly and disassembly.

Users can personalize their experience with interchangeable top plates in various colors and styles, and the keyboard includes two ergonomically positioned rotary encoders for enhanced usability. Connectivity options include wireless via Bluetooth 5.3 or wired through USB-C 2.0, with easy charging capabilities. The design prioritizes seamless integration, allowing components to connect while the keyboard is powered on. Overall, mod_ offers a versatile and user-friendly typing solution for keyboard enthusiasts.