"Best Ive ever owned, found at sams club for 29.99."5.0 starson by glekos
Worked right out of box
Setpoint to tweak functions
Cons: The on light goes off after a few seconds until you turn it off than back on.Maybe to save battery.This isn't really a con just a observation.
Summary: It this mouse isn't precise enough for you I don't know what you do with a mouse. I say get a more expensive mouse if that's what you need.