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
Amazon.com: J-Tech Digital Left Handed Wireless Ergonomic Vertical Mouse for Small Hands with USB Nano Transceiver, AA Battery, 4 DPI, Compatible with Mac and PC, Black [V628ML] : Electronics
Logitech Lift Vertical Ergonomic Mouse, hands on: Compact and comfortable | ZDNET
Best Wireless Ergonomic Vertical Mouse with USB 1600 DPI Black - J-Tech Digital
Logitech's Lift is a low-cost vertical mouse that might convert you - The Verge
Logitech MX Vertical Ergonomic Wireless Mouse
Logitech MX Vertical mouse wants to ease the strain on your wrist