The Sikakeyb Castle HM66 delivers a compact 66-key mechanical keyboard built for efficiency without sacrificing functionality. Its 60% form factor fits seamlessly into tight workspaces while maintaining full-row navigation and number keys. GH60 compatibility ensures broad switch customization options, letting you tailor the typing experience to your preference. The wired USB Type-C connection provides stable, lag-free performance ideal for gaming, coding, and daily productivity. Precision engineering and a refined layout make this keyboard a versatile choice for users seeking portability and performance in one streamlined package.