Work in more places with Microsoft's advanced BlueTrack Technology. The Wireless Mobile Mouse 6000 ($50) utilizes the technology of blue lasers for precision tracking on virtually any surface such as granite and marble countertops, cement, wood, stainless steel or carpets. The 6000 is designed with ambidextrous buttons and comes with a tiny 0.8cm nano transceiver that delivers a reliable connection with up to a 30-foot range.