IFYOO Ergonomic Mouse Review 

Yes, the buttons are customizable and can even be assigned for shortcuts.

@@IdealChaoticTech How do you customize the buttons on left where your thumb rests? I keep on accidently hitting the bottom key (start menu) when gaming and it pulls me right out of the game to my desktop. This has become to be very frustrating! When I go back into game my fps goes from 90-110fps to 0-30fps. Have you downloaded and ran the exe app from their support page? TIA

Thanks for the visit

Thank you, been in the sun lately.

@@IdealChaoticTech nice getting that vitamin