Features 1、Comfortable Typing Experience: Mechanical computer keyboard features ergonomic design, providing a comfortable typing experience, reducing hand fatigue, and ensuring long lasting comfort during extended use. 2、Multiple Lighting Effects: With multiple adjustable lighting effects, MK108 RGB backlit keyboard creates a fun typing atmosphere, improving work enjoyment and efficiency. 3、Accurate Keystrokes: Equipped with full key anti ghosting technology, mechanical gaming keyboard accurately recognizes each keystroke action, ensuring precise and non error typing. 4、Long Battery Life: Built with a 3000mAh large capacity battery, offers long lasting battery life, eliminating the need for frequent recharging and allowing for continuous use. 5、Space Saving Design: Featuring a three way cable management design, wireless gaming keyboard keeps your desktop tidy and organized, effectively saving space and enhancing work efficiency. Specification Item Type: 108 Key Mechanical Keyboard Switch Type: Red Switch Connection Type: Bluetooth, 2.4G, and Wired Battery Type: Li ion Battery Battery Capacity: 3000mAh (Included) FN+F1/F2: Screen Brightness-/( for WIN/ for OS X)Screen Brightness+ FN+F3: ( for WIN)Task View, ( for OS X)Mission Control FN+F4: ( for WIN)File Explorer, (for OS X)Console FN+F5/F6: ( for WIN)Mail/Home, (for OS X)N/A FN+F7/F8/F9: ( for WIN/ for OS X)Previous Track, Play/Pause, Next Track FN+F10~F12: ( for WIN/ for OS X) No function FN+ESC: Reset Default Setting (Press for 3 Seconds) FN+Backspace: Check Battery Level (Number 1 to 0 keys light up to show battery level in percentage, e.g. 1 and 2 light up means 20% battery, and so on. (Red below 30%, Yellow below 50%, Green above 50%) FN+1/2/3/4/5: Bluetooth 1, Bluetooth 2, Bluetooth 3, 2.4G, Wired FN+PGUP: Change Backlight Effect (Customized, Music Rhythm, Shadow Mode set in driver) FN+DEL: Change Backlight Effect Direction FN+PGDN: Adjust Backlight Color (Constant Light mode cannot adjust backlight speed; Spectrum Cycle mode cannot adjust backlight color) FN+ ↑/↓/ ←/→: Backlight Brightness+/- and Backlight Speed+/- FN+END: Turn off/on Lights FN+A: Switch to for WIN System FN+S: Switch to for OS X System FN+WIN_L: Lock for WIN Key ( for WIN System Only) Package List 1 x Keyboard<br>1 x Data Cable<br>1 x Keycap Puller Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.