Specification Item Name: Wireless Vertical Mouse Features: Ergonomic, Wireless, Vertical, Rechargeable Color: Black, Pink, White Material: ABS Size: 105*67*60mm(4.1*2.6*2.36in) Weight: 78g(2.75oz) Charging Cable: 27cm(10.62inch) Material: ABS Button: 4D Adjustable DPI: 800-1200-1600DPI, 3-Gear Adjustment Buttons: 6 Buttons (Left Button, Right Button, Forward Button, Back Button, Scroll Wheel, DP Button) Working Method: Photoelectric Connection Method: 2.4G Wireless Working distance: 10m(33ft) Battery Capacity: 400mAh (Included) Auto Sleep: 10 Minutes Wake Up: Move the Mouse Compatible System: for Windows XP/7/8/10, for Mac OS Package Including 1*Vertical Mouse 1*USB Receiver 1*Charging Cable Please Note 1. It is better to use it after receiving the mouse fully charged; 2. It may take a few days to get used to using it. Our Service Make customer satisfy is our goal,if have any questions,please don't hesistate to contact with us,we will response with 24 hours. If you love it,ADD TO CART now,Very thanks for your visiting our store! See more

? Greater Functionality: Convenient shortcut keys "forward" and "back"on the top of the thumb ensures you can easily brows the Web Page(NOTE: The forward and the backward buttons are not recognized on Mac).M size design(4.1*2.6*2.36in),suitable for small hand people like girls,kids and adults. ? Rechargeable Mouse:Built-in 400mAh rechargeable battery, no need to replace the battery, it is more convenient(can be recharged by the coming charging cable). ? Optical Mouse:This wireless mouse with optical tracking technology,3-level DPI resolution(800-1200-1600DPI),working on many different surfaces and ideal usage for home,office or game. ? Comfortable Mouse: A vertical ergonomic design that keeps the wrist and arms natural shape perfectly on the hand held. Compared with traditional mouse, this vertical mouse can effectively prevent wrist fatigue caused by long-time use. ? 2.4G Wireless Mouse: 2.Ghz technology provide stable connection up to 10m(33ft).Plug and Play mouse with USB receiver, easy to setup.(usb receiver at the back of mouse).Supports with Windows ME/2000/XP/7/Vista/98/Mac OS.