Features:  High-end optical engine， precise positioning.  Resolution up to 3200DPI. Two DPI buttons for quick and easy adjustment: 800-3200 DPI.  7 colors LED backlit light， able to turn on/off and light adjustable.  9 programmable keys can be customized with the drive software， each key can be defined various functions.  4 special designed buttons for more convenient to control.  The frequency of return with the drive optional: 125， 250， 500， 1000 Hz.  Can create a login， save， and edit the driver configuration file， set up a profile for each application.  With drive， can set the spacing interval of double-click， mouse pointer speed， wagging speed and roller wheel speed.  Intelligent power saving & start.  Adopt bold pure copper and innovative double magnet rings of the cable， better anti-interference so as to have a fast， accurate and stable control.  Skidproof， sweatproof， excellent appearance.  Ergonomic design， comfortable hand feeling， reduces fatigue.  Specifications:  Connector: Wired USB  Transmission system: Super infrared optical  Resolution: 800/1200/1600/2400/3200DPI  Key quantity: 9  Key route: 0.8mm  Actuation force: 65 + /-5g  Key life: 5 million times   Rated voltage / current: DC 5V， 100mA  Support system:  Windows XP， Vista， Windows7， 8， 8.1， 10， ME， 2000 and Mac OS， linux   Cable length: Approx. 150cm / 4.92  Item size: 12.2 * 6.8 * 3.8cm / 4.80 * 2.67 * 1.49 (L * W * H)  Item weight: 174g / 6.15oz  Package size: 18.5 * 11.5 * 6cm / 7.28 * 4.52 * 2.36 (L * W * H)  Package weight: 250g / 8.82oz  Package List:  1 * Gaming mouse   1 * CD driver