Xfox Vertical Ergonomic Super Comfortable Optical wired Mouse 800 / 1200 /1600DPI with Side Controls Buttons and USB Wireless Receiver compatible with Mac OS X Linux and Windows(Black) Scientific Ergonomic Design: Xfox S6 mouse has natural hand positioning and advanced ergonomic design which eases hand and wrist tension Right-hand mouse. 800 / 1200 / 1600 DPI: Featuring optical tracking smooth movement and adjustable DPI settings, provides more sensitivity than standard optical mice for smooth and precise tracking on a wide range of surfaces. Next/Previous buttons: Provide convenience when webpage browsing; the best choice for internet surfers, gamers and people who work at length at the computer. Power Saving Mode: Auto-Sleep feature on the wireless mouse conserves power and extends battery life. Connection Type: USB Wired. Compatible with Mac OS X Linux and all versions of Windows.