Innovative Transparent Case & Save Space KeyboardPursuing ultimate transparency and Simplicity of beauty, both the case and keycaps of this MK31 mechanical keyboard are made of high quality PC material, make it capable of good light transmittance like acrylic but more sturdy and durable, besides, it adopt ultra-compact 66 key layout, retain all the necessary key and support multiple FN key combination function and multimedia knob to realize more keys function, more practical. Hot-Swappable Design & Unique Ice White SwitchThis 65% mechanical gaming keyboard is equipped with premier hot-swap PCB to ensure a free replacement of switches to meet your DIY needs, can compatible with a wide range of 3 pin/5 pin switches like AKKO, Cherry MX, Gateron, Ajazz, Kailh, Glorious, etc. in the market. The pre-installed Ice White switch has a clear crystal shell for better light transmission, can be triggered with 40g force, offer smooth and quick linear feedback with lower sound. Full Side Cus