Zell Ergonomic Mouse, Vertical Wireless Mouse Rechargeable 2.4Ghz Optical Vertical Mice: 3 Adjustable Dpi 800/1200/1600 Levels 6 Buttons, For...

Ergonomic, Sleek And Rechargeable Design - Scientific Ergonomic Design Encourages Healthy Neutral 'Handshake' Wrist And Arm Positions For Smoother Movement And Less Overall Strain