The K10 can last up to 240 hours (with backlight off) with a 4000 mAh big battery, which is one of the biggest in mechanical keyboards. Two level adjustable feet (6º and 9º) and inclined bottom frame provides a great ergonomic support for long lasting typing comfort. With the Gateron G Pro mechanical switch providing unrivaled tactile responsiveness on the Brown switch with up to 50 million durable keystroke lifespan. N-key rollover (NKRO) on wired mode or 6KRO on wireless mode. Connects with up to 3 devices via the reliable Broadcom Bluetooth 5.1 chipset and switch among them easily for multitasking needs. The K10 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 while compatible with Windows, the K10 has all essential multimedia and function keys you need (Num Lock works with Windows only), and comes with a dedicated Screenshot Key, Siri (Cortana) Key, and Screen Lock Key. Extra keycaps for both Mac and Windows operating systems are included. The Keychron K10 is a 104 keys RGB backlight Bluetooth mechanical keyboard aluminum frame made for Mac and Windows. Engineered to maximize your productivity with most popular full size layout with number pad.