The Zowie EC1 is the large variant of Zowie's EC series at 97 grams wired with the PMW3360 sensor, offering the same beloved ergonomic shape in a bigger footprint for players with larger hands. The EC1 has traditionally been popular among European and North American professionals who tend to have larger hand sizes. The shape scaling is executed perfectly — it's not just a stretched EC2 but a proportionally adjusted design that maintains the same grip feel at a larger scale. Large ergonomic mice are increasingly rare in a market obsessed with compact ultralight designs, making the EC1 an important option for players who physically need more mouse. For players with hands over 20cm in length, the EC1 is often the more appropriate choice.