ITEM NAME:2.4G Wireless Vertical Mouse Left Hand USB Ergonomic Optical Mouse Left-Han Z3M3 2.4G Wireless Vertical Mouse Left Hand USB Ergonomic Optical Mouse Left-Han Z3M3 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 Optical tracking tech. allows higher sensitivity for extra-precise tracking. One button switchable between DPI levels 800, 1200, 1600 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. Quick Access 2.4GHz wireless tech. enables it work in a superior fast non-interference way without shackles of messy cables. Just simply plug into the Nano receiver, 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. Type: left hand Engine: Optical Number of Keys: 5 Connection: Wireless Power supply: 2 dry battery(not included) 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. 108g / 3.8oz colour:black Material:ABS Package Contents: 1 * Computer Mouse
