Rapoo EV200 Silent Wired Optical Mouse -Black

Vertical ergonomic design Enjoy superior comfort: whether you already have wrist strain and pain complaints, or you are simply looking to upgrade your working environment with a superior tool, EV200 is a reliable choice. Its fully ergonomic and vertical shape also contributes to better posture while sitting for longer. 
Adjustable 1600 DPI HD sensor Enjoy total control: with the adjustable DPI sensor, accuracy is no longer left to chance. Adjustable to fit different needs, you can adapt it to match your preference. 

Easy installation
Plug and play: No driver or setup is needed. Just plug it in a USB port and you’re good to go.