RETRO COLOR MATCHING Classic Grey-White Matching, we designed this keyboard and chose this color scheme, hope to get the keyboard back to its original shape, and hope it can also take you to find the original intention. ULTIMATE COMFORTABLE SA spherical PBT keycaps. Compared with the common keycaps, SA spherical keycap is more plump and complete in the shape, and the side lines gather naturally at the upper end, making it better fit with the fingers. In addition, the PBT material provides more delicate surface and a better touch feeling. CUSTOM BLUE SWITCHES Special Modified Blue Switches offer the same experience as Cherry MX Blue and life span reaches up to 50 million. Give you the purest mechanical experience. Adopting R5 ergonomic key designs in various key shape, which is different from traditional keyboards, you can click the ESC F Keys more quickly. Anti-fatigue, suitable for long time use. RGB LED BACKLIGHT Choose the color of each key from a spectrum of over