subject: Sound starts concentrating on its identity [print this page] As the number of Bluetooth cell phones has exploded, the number of Bluetooth headsets has increased as well. The benefits of these hands-free, wireless devices are obvious, particularly in the wake of state and local laws that require the use of a headset while driving. The Sound ID 510 has a MSRP of $129.99, for more information visit www.soundid.com. The 510 is Editors Choice Award winner.