87 Key TKL Mechanical Keyboard: YUNZII YZ87 75% percent keyboard Ultra-portable compact ten keyless design make more table space for mouse movement.YZ87 features gasket structure,with five layers of filling silencer and PORON gaskets filling the gap between the PCB,positioning plate, and mechanical switches,the 87 key TKL mechanical keyboard is flexible and firm by reducing hollow sound and fatigue,It's the ideal choice for a satisfying,low-noise typing experience, whether in an office or gaming environment Full Key Hot Swappable Custom Keyboard: As a customizable mechanical keyboard, YUNZII YZ87 build in a full key hot swap PCB that support both 3 or 5 pins mechanical switches. It opens a DIY world for personalizing your keystroke feel and sound. Its PCB and sockets is so solid to easily change the keycaps and switches at your perference with better optimizes resilience and stability. this computer keyboard equips with pre-lubed linear switches,for esports athletes competition