| NoiseAssassin™ algorithms, an advanced Digital Signal Processor (DSP), separates speech from ambient noise # VAS (Voice Activity Sensor) identifies and isolates the frequency patterns of the voiceDual microphones and the VAS accurately models the environment and eliminates background noise # "Invisible button", a touch-surface technology, operates switches by lightly pressing the outside shieldErgonomic design constructed of ultra-smooth medical-grade plastic # Up to 4 hours talk time or 8 days standby # Compliant with Bluetooth® v2.0, backwards compatible with v1.1 and 1.0 # Includes wall charger, USB cable, 3 earbuds and 4 earloops |