Logitech M100R Wired Optical Mouse with 1000 DPI and Ambidextrous DesignLogitech M100R wired mouse is a comfortable ambidextrous shaped mouse which feels good in either hand, so you feel more comfortable as you work even at the end of the day Convenient controls like Side to side scrolling plus zoom which lets you instantly zoom in or out and scroll horizontally and vertically. Perfect for working with spreadsheets and presentations. With 1000 dpi sensitivity, you'll get precise cursor control so you can edit documents