ah... the render info:
not low poly
Modelled in: Blender
Rendered in: Blender
Render Time: 12 Minutes
Hmm the buttons seem to be eroded LOL but in general the mouse seems to be good. No big problems with proportions IMO but I think that the textures u used are bad, I mean, it looks moar like a painting than anything else. But ur on the good way IMO so keep it up.