Klip Xtreme Karbon Full Size USB Mouse- Retractable Cord- 3D Optical 3 Button- 1000 DPI Resolution- USB Connection- Ambidextrous Design- Plug and Play- Black & Gray Color Klip Xtreme, a US Company committed to Quality and Customer Service with over 16 Million products shipped since 2003 Klip Xtreme Karbon 3D Optical Mouse with Retractable Cord, 3 Buttons including built-in Scroll wheel for easy Navigation, USB Ambidextrous design for Left or Right Handed Use 1000 DPI Optical Resolution for precise navigation, Plug and Play PC and Mac Compatible, 1 Year Limited Warranty Optical sensor of 1000dpi Convenient scroll wheel for ultrafast and click-to-click browsing mode USB connection Plug-and-Play, just connect the mouse to the USB port to get started