Castor has the highly accurate Avago 3310 optical sensor. There's no angle snapping, hardware acceleration or jitter. It's virtually flawless.

It has a solid build quality. The coating feels nice, and the mouse feels strong in hand. It's specifically designed for right-handed people. The 2 metre braided cable is light and very flexible.

The glowing colors can be set to any color you like, using the software. You can also give the lights different blinking effects.

You can change the lift-off distance based on your playstyle.

Bug-free and easy to use software. It's an executable file, which doesn't even need installing. It has 5 profiles, color customization, macro settings and more.