The Kensington Expert Mouse doesn’t really matter how large it is. Except that it is a large computer mouse alternative. Significantly larger than the Logitech Marble Trackball, although not significantly
The Logitech M585 is a good computer mouse, but too small. It’s 1.6” tall, 2.5” wide, and 4” long. It’s too short for me. I have to use my fingertips.
The SteelSeries Rival 3 is 1.5” tall, 2.3”-2.65” wide, and 4.75” long. It’s pretty perfect. Amazingly accurate. Genuinely accurate, it doesn’t just feel accurate, like the others. Completely natural finger