The Keychron K8 is a hot-swappable tenkeyless (87-key) layout RGB backlight Optical switch Bluetooth mechanical keyboard made for Mac and Windows. Customize per-key typing experience to maximize your productivity on the K8 hot-swappable version without the need to solder. With a unique Mac layout while compatible with Windows, the Keychron K8 has all essential multimedia and function keys you need. Extra keycaps for both Windows and Mac operating systems are included. Connect with up to 3 devices via Bluetooth and switch among them easily. With high reliable and broad compatibility Broadcom Bluetooth 5.1 chipset, the K8 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. The K8 gives the freedom to customize your typing experience with its hot-swappable PCB. With the pre-installed Keychron Optical Red switch providing unrivaled tactile responsiveness on the linear Red switch with a durable 100 million keystroke lifespan. *The K8’s Optical switch is compatible with our Keychron Optical switch only, not compatible with any MX style mechanical switch* The K8 can last up to 240 hours (with backlit disabled) with a 4000 mAh big battery, which is one of the biggest in mechanical keyboards. Inclined bottom frame and 2 level adjustable feet provides a great ergonomic support for long lasting typing comfort. N-key rollover (NKRO) on wired mode or 6KRO on wireless mode.