The new Logitech Lift is a cheaper, colorful vertical ergonomic mouse with left-handed version and long battery life - NotebookCheck.net News
Amazon.com: ASOYIOL Ergonomic Mouse Wireless,Ergo Mouse Vertical Mouse 6 Buttons 3 Adjustable DPI 800/1200/1600 Levels,Sideways Mouse Right Handed for PC Laptop : Video Games
Wireless Vertical Ergonomic Mini Mouse - Adesso Inc ::: Your Input Device Specialist :::
Amazon.com: 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 : Electronics
I Tried It: The Logitech Lift Vertical Ergonomic Mouse
What are the advantages of a vertical mouse? | FOX31 Denver