Its holey design, which well-executed, is not something we're fans of, especially because two of Razer's mice have proven that you don't need holes to get a lightweight body. But the O2 Wireless still looks great, especially with the vivid RGB lighting that the brand thoughtfully lined inside. There are other things to love here: the remappable buttons, the customizable DPI, polling rate, debounce time, and lift-off distance, and the on-the-fly RGB lighting effects physical shortcuts. Huano names their switches by colors. The shell is the outer casing of their switch, while the “dot” or “point” refers to the switch plunger, which is also colored.

If everything went well in the last step, the faulty micro-switch should slide right off with a few (extremely light) twists using tweezers or needle-nose pliers.

The SteelSeries Aerox 9 is the one of the best you can get in terms of build quality and performance if you'relooking for a premium quality gaming mouse that’s built specifically for MMO or MOBA gaming. But, while some MMO gaming mouse are built with heft, something that some gamers prefer we're sure, this offering from SteelSeries sets itself apart with an ultra-lightweight of 89g. Hunao is a more premium contender in the mouse switch market. Their switches are popular for being used in Zowie mice, which are some of the best mice for e-sports players. This is important as Chinese Omron switches without this designation don’t work consistently in modern mice due to how little energy these mouse use. More on this in the following sections. Lifespan

If you have fancy helping hands or other means to mount PCBs, that’s well and good. However, there’s no shame in keeping the PCB flat on the workbench either. We aren’t exactly using power tools here.A Japanese-made Omron switch will have a name that starts with D2F, and a Chinese one will start with D2FC. You’ll also find the name of the country always molded or painted on the switch itself, but some Chinese switches skip this step.