Winner of CES 2007 Innovations Design and Engineering Award Dual microphones for pure speech Dual connections for simultaneous connections of 2 phones Revolutionary Patented Digital Signal Processor (DSP) software Echo suppression and noise cancellation Innovative tie clip attachment for shirt, cuff, etc when not in use Micro USB lanyard for wearing around neck Abnormal disconnection notification Auto connection and re-connection Up to 5.5 hours talk time or 200 hours standby Includes USB, DC and AC charging options, lanyard and Optional over-the-ear hook