I've recently, apparently, started a mouse collection. I might start doing reviews of them too. Who knows. Anyway, I've been using the Corsair Dark Core with my laptop for the last year and its a great, lightweight, wireless mouse. It also has bluetooth in addition to the 2.4ghz dongle, and it can be used corded as well. It has three side buttons, two buttons on the top-left of the left click for DPI changes on the fly, and a profile switch button under the scroll wheel - total of 9 buttons in all. It can have up to 3 stored profiles, and it also comes with two right-side panels so you can change between flat on the right, or with a lip that's nearly identical to the thumb rest lip on the left side. The sensor is a max 16000 DPI optical sensor. The other nice thing about it, there are two versions - the one I have, is the base Dark Core. The Dark Core SE comes with QI wireless charging and Corsair makes a wireless charging mousepad, the MM1000. The only downsides to this combo, and why I personally didn't get it, is because the MM1000 doesn't have RGB (while the MM800 Polaris mousepad does, but no QI wireless charging) and the mouse only charges when sitting on a certain spot on the mouse pad rather than being charged while in use.
But, its a nice mouse, and I'm certainly a fan of Corsair - I broke my Dark Core awhile back and they replaced it for me no questions asked. Good customer service is definitely a plus in my book especially with something that gets daily use like a mouse.