SUNGI Vertical Ergonomic Optical 2.4G Wireless Mouse, 800/1200 /1600 DPI, 5 Buttons for Laptop, Desktop, PC, MacBook - Black - S9

• 【Ergonomic vertical mouse】Unique anti-skid bar design,Encourage healthy natural “handshake” wrist and palm position for the most comfortable grip, less wrist strain.This mouse allows the wrist and arm to remain in their natural position. It is scientifically proven to reduce your muscle strain.This mouse is very suitable for people with RSI or customers who use the mouse for a long time. 【Plug and Play】Just plug the included USB receiver into the USB port of your computer, no other additional software needed(the USB receiver is at the bottom of the mouse) . Operation distance up to 33feet. 【3 adjustable DPI】3 DPI (800/1200/1600) levels allows you to change the cursor sensitivity easily and track more smoothly over a variety of surfaces. 【6 buttons mouse】Two Internet navigational buttons, back and forward, are conveniently located on the left side of mouse to provide you with Internet browser control with minimal hand movement. The superior choice for internet surfers, gamers and people who work at length at the computer. 【Wide Compatibility】Widely compatible with Windows 10 / 8 / 7 / Vista / XP/Linux /Mac OS X (The previous/next page thumb buttons are not recognized on the Mac OS X).We offer 12 months warranty for our Product,Please feel free to contact us, if you have any questions.