The K6 mechanical keyboard(aluminum frame) can last up to 200 hours (with backlight off) with a 4000 mAh big battery, which is one of the biggest in mechanical keyboards. Two level adjustable feet and inclined bottom frame provides a great ergonomic support for long lasting typing comfort. With the Gateron Red switch providing unrivaled tactile responsiveness on the linear Red switch with a durable 50 million 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 K6 is best to fit home, office and light gaming use while connecting with your smartphone, laptop and Tablet PC. It also has a wired mode. With a unique Mac layout, Windows compatibility and dedicated arrow keys, the K6 is offering convenient accessibility to all the essential multimedia and function keys through the combination of key presses, yet compact enough to let you reach your mouse easier. Extra keycaps for both Windows and Mac operating systems are included. The Keychron K6 is a compact 65% layout Aluminum Frame RGB backlight Bluetooth wireless mechanical keyboard Compatible with Mac and Windows. The K6 is crafted to maximize your workspace and enhance productivity.