SUNGI Left-Handed Mouse,2.4GHz Ergonomic Vertical DPI 800/1200/1600 Wireless Mouse with USB Receiver for Left Hand,Black

【Ergonomic Vertical Design】Encourage healthy natural “handshake” wrist and palm position for the most comfortable grip, less wrist strain. The ergonomically- designed thumb rests and grips fit the contour of your palm for maximum comfort, perfect for small hands.The surface of the mouse is sprayed with rubber oil, which is very comfortable to touch.This mouse is very suitable for people with RSI or customers who use the mouse for a long time.. 【Easy to use】Just plug the included USB receiver into the USB port of your computer, no other additional software needed(the receiver is at the bottom of the mouse). New to Vertical Mouse will adapt to for a while, after using you will love it.. 【Automatic sleep function】 The sleeping function is for saving energy, it goes to sleep when you are not using it for 10 minutes, and you only need to click any button on the mouse once, it should be back to work. When the receiver is recognized by the computer, it's connected to the mouse, and then the LED of the mouse will light up.. 【3 Adjustable DPI】DPI800/1200/1600,the higher DPI, the faster the cursor on your screen will move.adjust DPI according to your needs.Added next / previous buttons provide convenience when web surfing.. 【Wide Compatibility】Compatible with Windows 7/10/XP/CE/vista, Windows2000,Android ,Vista and Linux etc(NOT FOR MAC OS).We offer 12 months warranty for our Procuct,Please feel free to contact us, if you have any questions.