LANDFOX Portable 2.4G Wireless Optical Mouse Mice For Computer PC Laptop Gamer(Blue) With 6 Keys, including Scroll Wheel, Page Forward and Page Backward buttons for easy Internet Surfing Wireless transmission, the longest sensing distance up to 10-15 meters Mouse type: Wireless Optical Mouse .Power Supply: 2 x AAA Battery(Not included) Size:95*54*30mm;Mini adapter Plug and play Compatible with Windows ME/2000/XP/Vista/Win 7/Win 8/MAC OS or Higher