Microsoft wireless mobile mouse 3500 fbusiness 5rh 00001 mfr microsoft sku 5rh 00001 ean 8853702491490 0885370249149 keep moving with a transceiver that stays in your mobile pc when you go and a mouse that works on more surfaces with microsoftreg bluetracktrade technology bluetracktrade technology microsoft bluetrack technology combines the power of optical with the precision of laser for remarkable tracking on virtually any surface plug and go nano transceiver leave the nano transceiver