Feature:Wirele car shape designed, opticaling technology, working on many different surfaces and ideal usage for home, office or game.USB 2.4 GHz wirele car sports mouse, comfortable touch.Simple setup. You just insert the battery, plug in the wirele nano-receiver, and start using it. USB nano-receiver is always ready to use. Plug-and-forget nano-receiver .100% and high quality.Specification:Color: red, black, blueMaterial: ABSScrolling Type: Scroll WheelPointing Device Host Interface: USBMouse Size: 116*60*30mmPower Supply:1 x AA Battery(Not included)Net Weight: 65gSystem support: Windows 2000, Windows XP, Windows 7, Windows Vista, Windows 98, OS, Windows ME, Windows 8 .Windows 10, etcPackage included:1 x 2.4GHz Wirele Car Mouse (Battery not included)1 x USB receiver