The Soyo FreeStyler™600 with the latest Bluetooth wireless technology 2.0 is designed to provide more secure signal link and crystal clear phone conversations. The headset is comfortable with an extremely small and light weight ear piece weighing only 0.32 oz. SOYO has incorporated a extra flexible ear loop which can be adjusted to fit precisely on either ear. It provides the ultimate in wireless freedom & crystal clear communication in an ergonomic designed.