Vertical Mouse USB Ergonomic Optical Mouse High Precision Adjustable 800 / 1200 / 2000 / 3200 DPI 5 Buttons Wired for Mac Laptop PC

description":"Do you feel painful especially for your neck, shoulders or wrist when you need to use the mice for a long time without a comfortable angle?  Are you worried about the strain and fatigue of your wrist joint? This vertical optical mouse is ergonomically designed to alleviate strain on wrists with cozy comfortable pinky finger & thumb rest and a full contour shape seamless palm supporting, healthy and efficient. Features: Ergonomic Design Elegant contoured shape seamlessly supports your palm, featuring more flexible and smoother movement, alleviating wrist tension and eliminating wrist joint's fatigue. Cozy comfortable and healthy. Rapid Responsiveness Higher sensitivity for extra-precise tracking, it works in a superior fast way. One button switchable between DPI levels 800, 1200, 2000, 3200 to adjust cursor speed to suit various usage scenario. Upgraded Functionality Previous and next page buttons for hi-speed web, files browsing and work flow, perfect for gaming enthusiast, programmer, office staff, teen Internet surfer and people who sit at length at computer. High Compatibility & Quick Access    This vertical mouse works greatly for Mac OS X, for Linux, for all versions of Windows OS and more. Plug-and play, simply plug it into a PC USB port, it works in a in ultra high efficient way. Automatic Sleeping Mode It'll automatically enter sleeping mode after long time inactivity or power failure. Click any button to wake it up at any time. Energy-efficiency and security. Specification: Material: ABS Color: Black Number of Keys: 5 Connection: USB Wired Cable length: 141cm / 55.5in Resolution: 800-1200-2000-3200 DPI Operating system: for Windows 10, Windows 8, Windows 7, Windows XP, Vista, ME, 2000, Mac OS and other OS Item size: 12.5 * 8.2 * 6.5cm / 4.9 * 3.2 * 2.6in(L * W * H) Item weight: Approx. 142g / 5oz Package size: 13 * 9.2 * 7.5cm / 5.1 * 3.6 * 3in(L * W * H) Package weight: 174g / 6.1oz Package list: 1 * Wired Vertical Ergonomic Mouse Note: The package list without user manual.