?portable 65% mechanical keyboard?rk68 has a minimalist 65% 68 keys layout, rk royal kludge rk68 boasts both practicality, the full-function and compact characteristics of keyboard and it also geared with arrow keys and frequently used control keys. ?red switch?linear switch, meaning that the force at the beginning and the end of each stroke is nearly identical. the result is a feel that most perceive as "smoother" and "faster" makeing them especially popular among gaming enthusiasts. red switch is the best fit switch using in office. ?charming rgb backlight?rk855 has 18 kinds of rgb backlight effects, giving you incredible enjoyment at night when you are gaming or typing. you can customize the backlight mode and record the light effects you want. ?wired rgb gaming keyboard? fantastic outlooking, type-c usb connect design, wire length is 1.5 m. high speed transmission, more stable transmission. don?t worry about the keyboard running out, suitable for people who need to use the keyboard for a long time. ?compatibility & reliable service?compatible with windows / macos.