A hot-swappable 75% layout (84 keys) RGB backlight bluetooth mechanical keyboard aluminum frame in a compact design that's built for productivity and a tactical typing experience. Personalize per-key typing experience without soldering, you can alter every switch on the K2 hot-swappable version with ease. Connects with up to 3 devices via Bluetooth and switch among them easily. With high reliable and broad compatibility Broadcom Bluetooth 5.1 chipset, the K2 is best to fit home, office and light gaming use while connecting with your smartphone, laptop and iPad. It also has wired mode with USB Type-C connection. With a unique Mac layout, the K2 has all the necessary Mac function keys while still being compatible with Windows. Extra keycaps for both Windows and Mac operating systems are included. The K2 can last up to 240 hours (with backlit disabled) with a 4000 mAh big battery, which is one of the biggest in mechanical keyboards. N-key rollover (NKRO) on wired mode or 6KRO on wireless mode. The K2 gives the freedom to customize your typing experience with It's hot-swappable PCB. With the pre-installed Gateron Red switch providing unrivaled linear responsiveness with a durable 50 million keystroke lifespan. The K2 has enchanting RGB backlight with double-shot ABS keycaps legends that sync with your mood; available in 15+ types of flashing light included static white light mode.