Royal Kludge M75 South-facing RGB Backlight This gaming keyboard also features south-facing RGB backlit with multiple lighting modes, allowing you to customize the lighting to your preferences and better illuminating the keyboard backlight from the typist’s angle and free from interference while changing the switches. Double-shot PBT Keycaps This gaming keyboard is coming with the PBT keycaps. Compared with ABS keycaps, PBT keycaps has better high hardness, oil resistance and high temperature resistance. Tri-modes Collection Gaming Keyboard Tenkeyless keyboard The RK M75 Mechanical Gaming Keyboard is 75% compact 81 keys, saving more space withour numpad, making it easy to carry and use anywhere. Gasket Structure RK M75 wireless keyboard features a gasket structure, which uses gasket material between the plate and keyboard housing on both top and bottom sides. This gives the keyboard a soft keypress feel, which is really comforting and soft to type on. Triple Mode + Multi-device Connection The RK M75 mechanical keyboard has three connection methods: wired, Bluetooth, and 2.4GHz. It can easily switch between 3 different wireless devices, and no longer limits the possibility of connection. All Keys Programmable Driver Software Link: bit.ly/RKRGBSOFT(The programmer of this gaminng keyboard is only for Window system, kindly please run the software in wired mode). Multi-functional Display Screen Display functions: battery level, WIN/MAC, wired/2.4G/BT mode, volume level, let this gaming keyboard status be clear at a glance, and remind you to charge. PS: Rotate the knob to switch modes, short press to enter the mode, short press again to return to the mode selection page. Select RTN, short press the knob to return to the main interface. RK M75 built-in Rotary Knob Display Functions: power on/off, volume adjustment, switching mode. Multi-functional display screen, display functions: battery level, WIN/MAC, wired/2.4G/BT mode, volume level, let the keyboard status be clear at a glance, and remind you to charge. Multimiedia Key and System Requirements Multimieda Key for Windows Windows system (Fn+A: switch to Windows system) Fn+F1: Computer Fn+F2: Browser Fn+F3: Mailbox Fn+F4: Calculator Fn+F5: Player Fn+F6: Stop Fn+F7: Last Song Fn+F8: Play / Pause Fn+F9: Next Song Fn+ F10: Mute Fn+ F11: Volume- Fn+F12: Volume+ Multimieda Key for MAC Mac system (Fn+S: switch to MAC system) Fn+F7: Last Song Fn+F8: Play/Pause Fn+F9: Next Song Fn+ F10: Mute Fn+ F11: Volume- Fn+F12: Volume+ 3 Indicator Lights Allows you to easily judge capitalization, win/mac mode, and scroll lock status. Two-stage Adjustable Tilt Legs Anti-slip and two-stage adjustable tilt outriggers, available in two different heights according to different needs. Type-C Ports This PC gaming keyboard is coming with 2 Type-C ports, which allows to back up more facilities.