1. The power button is placed in front, turning into a silly expression pack. 2. The soft rubber pad does not damage the button when pressed 3. The ultra-thick connecting rod structure is super rigid. Restore the crisp feel of the original machine's buttons 4. The bottom frame is elevated and hollowed out and aligned with the air inlet, so there is no need to worry about ventilation and heat dissipation! 5. Since the lever parts in the base are printed separately from the base, there will be color differences or different color combinations between the two parts. Please be aware of this before purchasing. Applicable models: for Macmini M4 Color: white/light gray/black/yellow Material: PLA Single set weight: 129g Packing method: boxed Single set contains: base*1 small mouth*1 instruction card*1