PERIMICE-513 USB Ergonomic Vertical Mouse 1000/1600 DPI 6 Buttons – Perixx USA
PERIMICE-713 - Wireless 2.4G Ergonomic Vertical Mouse Right/Left Hand – Perixx USA
Amazon.com: Perixx PERIMICE-804 Bluetooth Vertical Mouse, Bluetooth Connection for Windows and Android System, Works Without USB Receiver, Black : Everything Else