ERGONOMICS MEETS PERFORMANCE MX Vertical is an advanced ergonomic mouse that combines science-driven design with the elevated performance of Logitech’s MX series. Rise above discomfort with a mouse designed to reduce muscle strain, decrease wrist pressure, and improve posture. Natural handshake position: The Logitech MX Vertical's natural handshake position helps reduce muscular activity by 10 percent compared to a standard mouse - without any loss in overall performance Improved wrist posture: This wire and wireless mouse features a distinct 57 Degree vertical angle that reduces the pressure on your wrist; it also ensures your thumb is positioned comfortably on the thumb rest User-tested, ergonomist-approved: This wireless mouse has been designed and tested with criteria established by leading ergonomists Enhanced performance: The MX vertical wireless mouse is infused with enhanced performance features including fast recharging, a premium scroll wheel, 4000dpi high precision sensor Comfortable from with textured surface: MX vertical is shaped for the hand and smooth to the touch It fits a variety of hand shapes and sizes and the textured rubber surface ensures a natural grip Adjustable cursor speed and is easy switch and flow enabled. It helps improve posture, lower muscle strain and reduce wrist pressure