If you can't connect the receiver to the mouse, pls restarded the pc, reinstalled the software, unistall all mouse drivers.Compatible with: logitech G502 LIGHTSPEED Wireless MouseSpecifications:100% brand original new and high quality.Color: BlackMaterial: PlasticQuantity: 1PCPackage includes: (Without retail package)1 x Usb Receiver.dc_tracker_img{display:none;}.dc_tracker_img:last-of-type{display:block;}p:empty+hr{display:none;}hr+span.ebay{display:none;}