Tune into work, tune out noise Stay in the zone with the Blackwire 725, a premium USB headset designed to block out the distractions of noisy environments. Featuring Active Noise Canceling (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-canceling 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.