A hot-swappable 96% layout (100-key) wireless mechanical keyboard with aluminum frame, with a number pad in a compact design thats built for productivity and a tactile typing experience. Personalize per-key typing experience without soldering, you can alter every switch on the K4 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 K4 version 2 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 K4 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 K4 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