Product details:

Ergonomics meets performance in MX Vertical, an advanced ergonomic mouse designed to reduce muscle strain and improve posture.

• Less fatigue, better performance.
• 57° vertical angle for improved wrist posture.
• MX Vertical's unique 57° vertical angle reduces the pressure on your wrist, while your thumb is positioned comfortably on the thumb rest.
• User-tested, ergonomist-approved.
• Advanced optical tracking with cursor speed switch.