Vktech Slim Wireless Bluetooth3.0 Mouse Mice Optical 1600DPI for PC Phone Tablet Slim design, white, perfect to match your Mac or other laptops 3D optical mouse, left/right button and scroll wheel High speed: 800dpi to 1600dpi, use the small "DPI" button to switch the speed between 800dpi and 1600dpi Support Windows 2000/XP/Vista/ WIN7/8/RT/Linux Work Distance: Up to 10m