The larger the number of the light focusing means 16 are, {HEAD ~ the higher the accuracy/resolution} of {TAIL ~ the mouse} 
of
The larger the number of the light focusing means 16 are , { HEAD ~ the higher the accuracy / resolution } of { TAIL ~ the mouse }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL