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 - Walmart.com
Review: Logitech's Lift vertical mouse helps control RSI | Computerworld
Logitech MX Vertical Advanced Wireless Optical Mouse with Ergonomic Design Graphite 910-005447 - Best Buy
Logitech MX Vertical Review: The Clear Leader for Ergonomic Mice – Review Geek