Fangrui Product Details System Compatibility:our Arcade Keyboard Suitable For 10 Or Above For ///switch/(lakka, Retropie, Recalbox, Batocera)/mister/android, Linux, Ipados, Macos, (keyboard Mode Only). Metal Texture Higher Quality:this Is An All Metal Arcade Keyboard,adopting Cnc Aluminum Alloy. Process Ultra-thin,not Bulky At All,compact And Easy To Carry,featuring Low Switches.featuring A Cool Appearance With Rgb Mode. For Fighting Games,worth Having! Ultra Low 1ms Delay:our 13keys Keyboard Is Made Of 40nm Process Node Manufacturing, Low Consumption, And Low Leakage,1ms Delay, No Frame Leakage Rate Above ,supports Firmware Updates. Custom Rgb Design:this Is A Transparent Acrylic Material With Rgb Lighting Effect, An Enlarged Style Arcade Keyboard With 13 Buttons, Providing A Comfortable Feeling And Allowing You To Enjoy Fighting Games. Can Create Their Own To Make The Controller Look Cooler And More Personalized. Product Function: 5 Controller Modes-x-input Mode/switch Mode/ / D-input Mode/ Mode/keyboard Mode.with M