Wireless Mouse, ADLOKO Vertical Ergonomic Optical USB Rechargeable Mice Adjustable Sensitivity 800/1200 /1600 DPI for Laptop, Chromebook, PC, Desktop Ergonomic DesignReduces pressure and strain by allowing your hand and wrist to maintain a natural position, makes working for smoother movement and less overall strain Multi-functionAdvanced "Page Back" and "Page Forward" functionality buttons provide convenience when web page browsing. Choose from 800 / 1200 / 1600 DPI to tailor the mouse's sensitivity for more accurate tracking. Energy Saving & RechargeableSwitch into dormant state after stop using for a while and automatic wake up by pressing any button on the mouse. Built in high quality rechargeable lithium ion battery to ensure long lifespan. Wireless Remote ControlComes with a USB receiver, just plug and play, adopted advanced 2.4GHz wireless technology, can be operated at a working distance up to 15m in 360 degree with no interference. Compatible SystemWindows10, Windows7, Windows vista, Windows CE, Windows 2000, Windows XP, Linux, Android. Once you get used to the ergonomic mouse, you will love it so much !