The B350-XT delivers incredible noise cancellation (96%), combining Xtreme Noise SuppressionTM microphone technology with wideband HD Voice and audio. Superior call clarity in high-noise environments and get all-day audio streaming or navigation directions from any Bluetooth® device. All delivered through a headset that can go the distance with a customized fit, 24 hours talk time and Micro-USB charging. Features Blocks out background noise with 96% noise cancellation Last a full day on the move with up to 24 hours talk time Customizable features with the Parrott ButtonTM Pairs two devices at the same time for flexible connection Streams your music, GPS directions and more. Roam up to 300ft from paired Bluetooth device.