The Keychron K0 Max QMK Wireless Numpad offers versatile numeric input options for professionals who require efficient data entry. This compact peripheral features QMK/VIA firmware support for extensive customization of key mappings, macros, and lighting effects. With both a 2.4 GHz wireless connection via the included USB-C dongle and Bluetooth 5.1 compatibility, it seamlessly connects to multiple devices, including computers, tablets, and smartphones. The numpad uses low-profile mechanical switches with tactile feedback, a 45 g actuation force, and a 1.5 mm travel distance. Made from durable ABS plastic, it measures 150 mm in width, 85 mm in depth, and 25 mm in height, weighing approximately 250 g for stable desktop use. The double-shot keycaps ensure long-lasting legends that resist wear. Powered by a 4000 mAh lithium-polymer battery, it offers up to 240 hours of continuous use with the backlight off or 80 hours with RGB lighting activated. It includes a USB-C charging cable with an approximately 3-hour full charge time. Compatible with Windows, macOS, Linux, Android, and iOS operating systems. The hot-swappable PCB allows for easy switch replacement without soldering. It features north-facing RGB LED lighting with multiple effect modes and adjustable brightness levels. The non-slip rubber feet provide stable positioning on various surfaces. Designed for accounting, programming, spreadsheets, and other numerically intensive tasks that require reliable input performance.