Logitech MX Vertical Wireless Mouse – Advanced Ergonomic Design Reduces Muscle Strain, Control and Move Content Between 3 Windows and Apple Computers (Bluetooth or USB), Rechargeable, Graphite - Newegg.com
A Vertical Mouse that Doesn't Suck: (Logitech MX Vertical) - YouTube
Logitech MX Vertical mouse packs pro features into ergonomic design
Logitech MX Vertical mouse wants to ease the strain on your wrist