NoiseAssassinTM algorithms, an advanced Digital Signal Processor (DSP), separates speech from ambient noiseVAS (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 standbyCompliant with Bluetooth v2.0, backwards compatible with v1.1 and 1.0Includes wall charger, USB cable, 3 earbuds and 4 earloopsAdditional Details BRAND : JAWBONE II SKU : JAWBONE-II SILV UPC : 097738553007
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