computer accessory for 3d optical mouse 1.800dpi,new chip high quality 2.1 year warranty ... 3.style : compter accessory 1.1computer accessory for 3d optical mouse specification1.usb interface,plug and play 2.High resolution: 800DPI ... 3.best price Mouse DiscriptionWelcome your inquiryPromotion computer accessory for 3d optical mouse FeaturesModel Numbertdh20 IC:8732 , 2700 , ...