Keychron K8 87 Key Aluminum Frame HotSwappable Gateron Optical Mechanical Keyboard RGB Red Russian Layout. Engineered to maximize your productivity with most popular TKL layout. The hot-swappable option on Optical and Mechanical switches offers the freedom to easily personalize your typing experience without soldering. Keychron K8 tenkeyless wireless mechanical keyboard for Mac Windows iOS with Hot-swappable Gateron and Keychron Optical switch red blue brown. 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.