PRODUCT GRADING Brand New Retail Box WHAT IS IN THE BOX MSI Interceptor DS B1 Optical Gaming Mouse - Black PRODUCT DESCRIPTION High speed motion detection at 37ips and acceleration up to 15g. Resolution up to 1,600. Frame rate up to 4,000fps DS B1 ergonomic design to enhance the comfort of the user while using mouse and to help prevent serious injury from long-term daily computer use.DS B1 comes with eight 2 gram weights to suit variety of games. Customize the perfect weight for a perfect feel. PRODUCT INFORMATION Brand ?- MSI Product Dimensions - ?20.5 x 15.5 x 8.5 cm Weight - 187 Grams Item model number - ?S12-0401250-EB5 Manufacturer ?- MSI COMPUTER Series ?Interceptor - DS B1 Colour - ?Black