Sport car shape andunique headlight design, looks so stylish and attractive.Ergonomic design through exquisite workmanship, comfortable to grip.Wireless transmission,operation distance is up to 10 meters, so convenient to use in daily life.Suitable for work, school, home, or as a gift for friends.Item Name: Wireless MouseTracking Method: OpticalInterface: USB 2.0Resolution: 1600 DPIButton: 2 Buttons + 1 Scroll WheelSwitch Life: 5 Million CyclesAutomatic Power-Saving Sleeping Function: YesEffective Range: 2.4GHz Wireless Transmission, Operating Distance up to10 MetersSystem Compatibility: for Windows 98/ME/NT/2000/XP/Vista/Win 7/Linux or Mac OSPower Supply: 2 x AAA Battery (Not Included)Features: Fashionable, Car Shape, Wireless ConnectionSize: 112mm x 53mm x 36mm/4.41& 39;& 39; x 2.09& 39;& 39; x 1.42& 39;& 39; (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Wireless Mouse1 x 2.4GHz USB Receiver (Others Not Included)