The concept is great, but in practice it has some issues. Speaking of battery life, there is a feature in the Engine 3 software called High Efficiency Mode which turns of lighting and reduces the poll rate to increase battery life. The RGB lighting is a nice touch, although I personally don't use it in the interest of preserving battery life. The side buttons are also on the smaller side which I like because it's not as easy to accidentally press them. The first thing I noticed after taking it out of the box was that the buttons were a little quieter than I was expecting and the scroll wheel had a nice firm feel to it compared to my previous mouse. You can even use it without the software if you'd like. Setup is super simple, basically just plug and play. It's definitely not the lightest mouse out there, but you do have the option of running just one AAA battery so it's around 90g instead of 108 with two batteries.

The size is spot on, not too big or small, it's just as smooth as you'd expect it to be, it has dual wireless functionality, and tons of customizability using the SteelSeries Engine 3 software. I consider myself a casual gamer and I really enjoy this mouse after switching from Logitech.

Steelseries rival 3 mouse