Otherwise, this would be 15. Sounds great, but there are times where one might accidentally press the button when working with the mouse considering the less-than-ideal placement of the said button, which would be disastrous as some programs might actually crash at this sudden “intrusion”. Upon pressing it, your computer will automatically enter stand-by mode. No, this Eco Mouse won’t automatically issue commands for your Roomba to collect the trash and separate it into different types – instead, it comes with a small green button with the word “ECO” emblazoned across, glowing in green. 66 well-spent.