Unmatched performance we took a look at the landscape of high performance mice and felt we could do a better job so we did the steelseries rivalrsquos performance reigns over the competition thanks to a cutting edge sensor newly developed switches engineered by steelseries and a suite of tweaks to give you the edge over your rivals advanced optical sensor at the heart of rival is the pixart pmw3310 optical sensor the 3310 promises zero hardware acceleration offering true 11 tracking and precis