?Advantages Ergonomically designed, optical tracking technology, working on many different surfaces and ideal usage for home, office or game; This mouse is design for users to reduces muscle strain and can even undo the damage that years of using a traditional computer mouse causes:wrist pain, shoulder fatigue, carpal tunnel syndrome and tendonitis can all be alleviated. -Wireless 2.4 GHz mouse, comfortable touch -Rolling line by line up and down -Plug and play mode, no need driver -The dongle can be stored into the mouse neatly when it is not used -Receiver storage space and carrying easily -System support: Windows 2000, Windows XP, Windows 7, Windows Vista, Windows 98, Mac OS, Windows ME, Windows Product Parameter Material: ABS Features: Ergonomic Vertical Wireless Connect Way: 2.4Ghz USB Work distance: 10M Power Supply : 2 x AAA Battery (Not Including ) Button : 6 Buttons (Left/Right Buttons, Forward/Backward Buttons, DPI Buttons, Scoller) Adjustable DPI : 800-1200-1600 Demension Of Mouse: 125*65*82mm(4.92*2.56*3.23inch) Net Weight Of Mouse : 83g (0.18ib) Colour:Black,Pink,White Package Include 1X Wireless Vertical Mouse 1X USB receiver (Note:Batteries are not include)

Mouse Parameter?Size:125*65*82mm(4.92*2.56*3.23inch); Weight:0.11kg(389oz). Package includes: 1* right hand ergonomic vertical wireless mouse (2 AAA batteries not included); 1*2.4G USB receiver ;1* instruction manual. Convenient shortcut keys?The wireless mouse add "forward" and "back" buttons,improves the navigation speed and make it easy to enjoy network life.Superior choice for internet surfers, gamers and people who work at length at the computer. Wireless mouse dpi adjustable?800-1200-1600 DPI resolution optical tracking technology provides more sensitivity than standard optical mice for smooth and precise tracking on a wide range of surfaces. Ergonomic vertical mouse? Its scientific ergonomic design ensures healthy neutral "handshake" wrist and arm positions for smoother movement and less overall strain. 2.4G usb wireless mouse?This vertical mouse connects devices by 2.4Ghz usb receiver,and the wireless distance up to 10m/33ft.Plug and play if there is an available USB port.Wide compatibility with Windows 8 / 7 / Vista / XP / 2000 Linux Mac OS.