Creazy 2016 2.4GHz 3200DPI Wireless Optical Gaming Mouse Mice For Computer PC Laptop (black) Mini adapter Plug and play Wireless transmission, the longest sensing distance up to 10-15 meters Portable and weight light, very convenient to carry and store Power switch for save power With 6 Keys, including Scroll Wheel, Page Forward and Page Backward buttons for easy Internet Surfing Size:108x75x38 mm