Since my last mouse was damaged, I was searching all over amazon for the most suitable mouse which enables my palm to rest comfortably on the mouse without feeling any strain in my nerves at all. My previous mouse was too flat, hence, it caused me strains in my wrist nerves. This product arches upwards, thus giving me the comfort I need. One good thing about it is also the silence it gives when scrolling up and down. However, I think if you're gonna be using it for hours, it will be more advisable to get a wrist pad, so that your hand may rest more comfortably when using it for longer hours.