A 60% COMPACT WIRELESS MECHANICAL KEYBOARD - Engineered to maximize your productivity with most popular 60% layout. The Spartanhot-swappable option on Optical and Mechanical switches offers the freedom to easily personalize your typing experience without soldering. WIRELESS AND WIRED MODES - 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 Spartan is best to fit home, office and light gaming use while connecting with your smartphone, laptop and iPd. It also has wired mode with USB Type-C connection. SUITABLE FOR ALL DEVICES - Compatible for both McOS and Windows. Keychron is one of only a few in the market that comes with a McOS multimedia keys layout for McOS enthusiasts. For Linux users, we also have a dedicated user group to help with the experience. Gateron Mechanical - Durable Gateron mechanical switch with a 50 million keystroke lifespan to provide an unrivaled tactile responsiveness. Optical Switch - With a redesigned structure, our in-house Keychron Lava Optical switch comes with enhanced reliability, typing comfort and lets gamers play at warp speed of only 0.2ms with a lifespan of 100 million keystroke. ERGONOMIC SUPPORT - Two-level adjustable feet, an inclined bottom frame, and curved OEM profile keycaps, all working together to provide long-lasting ergonomic support when you type on the Spartan. - Comes with 18 types of RGB backlight settings (exclude Non-Backlit Version) as well as a static white backlight option. You can also adjust the keyboard brightness to sync with your mood. Various backlight patterns are available on the SpartanWhite Backlight version.