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Perfectly shaped for my hands (19cm, palm grip) and I got adjusted to it pretty quickly. I do feel that the limitation of 4 set dpi's really spoils it for me. You can get mice with sensors that perform similar to this one (G403) with customizable dpi, rgb and buttons/macros as well, that too at a cheaper price. I had been using the G403 for a couple of years until it started malfunctioning and I have to say that while the shape and feel of the EC2-A is better, the lack of customizability at this price can be a turn off for some. Also this mouse gets really dirty and messy really quick if your gaming sessions are long so ... I found the rubbery type grip for g403 better for this reason as well.
This mouse is awesome, great sensor, super smooth. Only issue for me is the shape, I prefer more of a claw grip, where as this mouse suits a palm grip. Which is why I opted for the Zowie FK-2. Both essentially the same feel, sensor, it just comes down to which grip you prefer.
Summary: Palm Grip go for EC2-A, Claw grip go for FK-1 or FK-2.
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