Keychron V5 Max - The upgraded QMK/VIA wireless custom mechanical keyboard allows anyone to master any key or macro command in 96% compact layout, which includes key caps for Windows and macOS. Coming in an 1800 compact layout, it offers a gasket mount design, sound-absorbing foam, double-shot PBT keycaps, and more to take your typing experience to a new level, delivering enhanced comfort and productivity. Program with QMK & VIA - Simply connect the V5 Max to your device with a cable, drag and drop your favorite keys or macro commands to remap any key you want on any system (macOS, Windows, or Linux). 3-Mode Connection - It supports 2.4 GHz, Bluetooth, and a wired connection. Experience peak gaming performance on the fly with the 2.4 GHz wireless connection boasting a rapid 1000 Hz polling rate. For seamless multitasking across your computer, phone, and tablet, you can effortlessly connect the V5 Max via Bluetooth 5.1 to three devices. Hot-Swappable Support -The fully assembled V5