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. Connect the K4 with up to 3 devices via Bluetooth or to a single device with the USB Type-C wired option. Pair it up with your smartphone, laptop and iPad, and switch amongst the devices swiftly. It offers a highly reliable and broad compatibility Broadcom Bluetooth chipset that is best for home, office and light gaming uses. 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 72 hours typing, or up to 7 days of normal use (8 hrs/day) with a 4000 mAh big battery; one of the most powerful among mechanical keyboards. N-