Mini Computer Mouse Retractable USB Cable Optical Ergonomic1600 DPI Portable Small Mice for Laptop Type:Wired Interface Type:USB Style:Mini Power Type:Rechargeable Size:Appr.75*40*20mm Net Weight:36.8g Cable Length:700mm Features: 1.With the mini size and a cute retractable cable design point for convenient usage,suitable to be a gift for children. 2.Newly developed mini optical mouse with retractable cable that replaced the traditional wired mouse. 3.Optical technology allows the mini optical mouse to track every motion with digital accuracy. 4.Easy to install, just simply plug the USB plug to the USB port on your PCLaptop. 5.Multi colors to choose,there must be a color you like. 6.Support plug and play, no driver required.