Specifications:With ergonomic design and stylish appearance, the wireless mouse is comfortable to grip.Professional optical positioning technology makes positioning more accurate.There is no need for complicated code because it is a intelligent mini receiver and has automatic connection function.You can use it with any 360 angle and it has a long control distance of 8 to 10 meters or more.Unique intelligent circuit management design makes the mouse smarter and saves electricity.Resolution 800-1600dpi adjustable frequency enable you to enjoy your wireless free space.It is suitable for Windows2000/XP/Vista/ for Linux/7/ and for MAC operating system.Item Name: Wireless MouseMaterial: PlasticOptical Resolution: 1000dpiNumber of Keys: 3Interface: USBWireless Transmission Frequency: 2.4GHzBattery: 2 x AAA Batteries (Not Included)Features: Wireless, Ergonomic Design, Stylish, IntelligentSize: 11.5cm x 6cm x 2.2cm/4.53" x 2.36" x 0.87" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Wireless Mouse