Verbatim 99766 Commuter Series Wireless Notebook Optical Mouse (Matte Blue) • Contoured, comfort grip ideal for right- or left-hand use;• 2.4GHz wireless reliability & performance;• Nano receiver--small enough to plug in & leave connected, may be stored inside mouse;• 1200dpi provides smooth, precise tracking;• 1-year limited warranty;• Matte Blue;