Amazon.com: 3M Wired Ergonomic Optical Mouse, Patented Vertical Grip Design Keeps Your Hand and Wrist at a Neutral Angle for Comfort, USB/PS2 Plug and Play Compatibility, 6.5' Cord, Small Size, Black (EM500GPS) :
Computer mouse - Wikipedia
Amazon.com: Rapoo N100 Wired Mouse, Black 3-Button USB Wired Computer Mouse for Mac PC : Electronics