Stay in the zone with the Blackwire 725, a premium USB headset designed to block out the distractions of noisy environments. Featuring Active Noise Cancelling (ANC) technology, the Blackwire 725 is ideal for managing PC calls and enjoying music and multimedia with dynamic hi-fi stereo sound.Wideband audio and Digital Signal Processing mean incoming calls are crystal clear—and so is your voice, thanks to the noise-cancelling mic. Smart Sensor technology lets you answer calls by simply placing the headset on your head.A cushioned metal headband delivers comfort and durability, while the folding ear cushions and included carrying case make it a snap to take on-the-go. With the Blackwire 725, distractions go down and productivity goes up.Includes a carry case for easy storage and portability.Please note: This headset does not come with any connecting cable or amplifier. For further assistance on which cable/amplifier is required, please contact our sales teamNoise-cancelling mic with flexible boom, Smart sensor technology lets you answer a call by simply putting on the headset, mute and volume controls, USB connectivity to your PC, Inline indicator lights and user friendly audio alerts, hi-fi stereo (dual ear) wearing style, standard UC (works with standard UC softphone applications from Avaya, Cisco, IBM, Skype and more)