Just got one in the mail for backing Grim Dawn, but I don't know much about it.
http://www.logitech.com/en-us/gaming/mice-keyboard-combos/optical-gaming-mouse-g400
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http://img.imgcake.com/SgtSphynx/raypngjaez.png
http://img.imgcake.com/SgtSphynx/raydynpngtyse.png