Logitech MX VERTICAL Ergonomic Wireless Mouse - Graphite NATURAL HANDSHAKE POSITION - MX Vertical’s natural handshake position reduces muscular activity by 10% compared to a standard mouse - without any loss in overall performance. IMPROVED WRIST POSTURE - The mouse’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. MX Vertical has been designed and tested with criteria set out by leading ergonomists - improve posture, lower muscle strain and reduce wrist pressure. ADVANCED OPTICAL TRACKING - The 4000 DPI high-precision sensor results in 4x less hand movement* and reduces fatigue. The cursor speed switch instantly adjusts DPI speed and accuracy with the touch of a button. As compared with a traditional mouse with 1000 DPI sensor. COMFORT FORM WITH TEXTURED SURFACE - MX Vertical is shaped for the human hand and smooth to the touch. Its unique form fits a variety of hand shapes and sizes, and the textured rubber surface ensures a natural grip. RECHARGEABLE BATTERY WITH QUICK-CHARGING - MX Vertical stays powered for up to four months on a full charge - and gets three hours of use from a one-minute quick charge.* Battery life may vary based on user and computing conditions. EASY-SWITCH™ AND FLOW-ENABLED - Connect to up to three devices and switch between them at the tap of a button or by simply moving the cursor from one screen to another with Logitech FLOW.* ***Requires Logitech® Options™ software, available at logitech.com/options. Computing Accessory Type: PC Accessories Depth: 2.164 CM NATURAL HANDSHAKE POSITION 57° VERTICAL ANGLE FOR IMPROVED WRIST POSTURE USER TESTED. ERGONOMIST APPROVED. ADVANCED OPTICAL TRACKING WITH CURSOR SPEED SWITCH COMFORT FORM WITH TEXTURED SURFACE RECHARGEABLE BATTERY WITH QUICK-CHARGING EASY-SWITCH™ AND FLOW-ENABLED Height: 25.7 CM Width: 19.5 CM