A 75% layout (84-key) white LED backlight compact Bluetooth mechanical keyboard. The ultimate keyboard that retains shortcut and arrow keys. Connects with up to 3 devices via Bluetooth and switch among them easily. With the latest Broadcom Bluetooth 5.1 chipset, the K2 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, K2 gaming keyboard has all necessary Mac function keys, while compatible with Windows. Extra keycaps for both Windows and Mac operating system are included. K2 can last up to 72 hours typing, or up to 7 days normal use (count 8hrs per day) with a 4000 mAh big battery, which is one of the biggest in mechanical keyboard. N-key rollover (NKRO) on wired mode or 6KRO on wireless mode. Charming white LED backlight with elegant keycap legends helps to type in dime environment, you can also choose static white backlight mode. Durable Gateron mechanical switch with 50 million keystroke lifespan, providing unrivaled tactile responsiveness on the linear red switch.