Fashion and cool style, ergonomics design, comfortable grip, flexible operation, can reduce fatigue.USB 3D optical mouse cool fashion precision mice for PC/laptop.USB Interface.The mouse is black on the top and base, clear in the middle of case.Display red/blue flash (by random) light when connecting.Scrolling wheel lets you browse and zoom with fingertips.The wire is about 1.2m with USB 2.0 connector.Plug and play compatible.No battery powered and driver neededType: Wired MouseInterface: USB 2.0Mouse Color: BlackLight Color: Red/Blue (By Random)Compatible Model: for PC LaptopSystem Requirement: for Windows 98SE/2000/Me/XP/VistaFeatures: Plug and Play, Elegant, Ultra Slim, Comfortable GripSize (L x W x H):9.5cm x 5cm x 3.6cm/3.74" x 1.97" x 1.42" (Approx.)Cable Length: 120cm/47.24" (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 Wired Mouse