About this item This fits your . Make sure this fits by entering your model number. Keychron K1, a 87 keys tenkeyless layout ultra-slim wireless mechanical keyboard constructed with ultra-thin full aluminum body structure (18 mm) and required less force and uses less finger travel, which reduces finger fatigue and provides an unmatched typing comfortability. Connects with up to 3 devices via the reliable Broadcom Bluetooth 5.1 chipset and switch among them easily for multitasking needs. The K1 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 K1 has all the necessary Mac multimedia keys while still being compatible with iOS, Windows, and Android. Extra keycaps for both Windows and Mac operating systems are included. Durable and ultra-slim low-profile Gateron Mechanical blue switch with up to 50 million keystroke lifespan to provide an unrivaled clicky responsiveness. N-key rollover (NKRO) on wired mode or 6KRO on wireless mode. The K1 can last up to 110 hours (with backlight off) with a 2000 mAh battery. You can alter the white LED backlight color and the brightness correspond to your mood or setting.