[Mini Size ]Small size, easy to carry, perfect for travel, kids friendly as well.[Retractable Design]The compact size is 1.6 inch,but it is 28-inch line length when pulled apart.Retractable cord enables it to be able to be taken wherever desired for use on the computer whether at home, at work or anywhere else.[3D Technology]High-resolution optical tracking for precise mouse movement.[Plug and Play]No drivers or programs required. Just plug and play.The cord length adjusts and winds/unwinds without tangling or getting stuck like some other wired mouse.[Wide Compatibility]All Windows 98 / ME / NT / 2000 / XP / Vista / Win 7 / Linux or Mac OSProduct Parameters:1. Product Name: USB wired mouse2. Cable length: about 80 cm / 31.50 inch (stretchable)3. Resolution: 1200DPI4. Type of connection: USB interface5. Operating voltage and current: DC5 5% Less than or equal to 100MA6. Flip wheel life: 1 million times7. Switch life: 5 million times8. Key Specifications: 60 5gf9. Key operation: 80 20gf10. Cursor positioning method: photoelectric11. Operating system: Windows 98, 2000, XP, Vista version and so onColour:purpleMaterial:ABSSize:76mm*40mm*24mmPackage Contents:1 * Wired MouseOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.