After living in Canada for most of my life, my definition of "cold" seems to differ from the rest of the world. I would not call anything cold until it hits below -20 degrees Celsius, and we consider -10 degrees Celsius and above to be warm during winter.

Both of the mice feel great to use. Between the two, I like the shape and design of the Rival 650 best. Being free from the wire is also a major bonus, and I wasn't able to notice any difference whatsoever when compared directly with my wired gaming mice.

SteelSeries has long had a weak spot in its peripherals lineup: mice. Great headsets, good keyboards, mediocre mice. Some were too conservative, others too daring, but none of the ones we've looked at over the years have qualified as must-haves.

A flagship without wires-the top SteelSeries mouse is back in a wireless form as the Rival 650. Featuring an exceptional dual-sensor system, main buttons rated for 60 million clicks, a robust and durable shell, and, of course, highly customizable RGB lighting, it's surely a premium product, which...

Great sensor performance; Fantastic build quality and choice of materials; Superb buttons and scroll wheel; Main switches rated for 60 million clicks; Great-looking; highly customizable RGB lighting; Can be comfortable for palm gripping with big hands; Software is very user friendly; Adjustable...

No replacement mouse feet included; Heavy for its size; Battery life could be better

Sporting the same sensor as the Rival 710 which we recently reviewed (Review can be found here: SteelSeries Rival 710 Review ) we're expecting the same great performance in the Rival 650 Wireless.

+Battery life; +Quick Charging; +Accurate Sensor; +Build quality; +Adjustable Weight System

The Rival 650 Wireless mouse from SteelSeries is a surefire winner in our books. The Rival 650 is molded with all of the premium features in mind; and the no-compromise execution is certainly beyond par for the course.

Great comfort and ergonomics; Great battery life; Wonderful lighting; Assortment of weights; Great construction; Can use mouse while its charging via cable; Actively support and updated software; Software footprint low; Response rate good for a wireless device

We have tested the Rival 650 Wireless in CounterStrike: Global Offensive, Champions of Titan, Destiny 2 but also Command and Conquer: Tiberium Wars -> the comfort level is pretty much identical to the Rival 600 but with the added wireless bonus.