The Plantronics Audio 326 Headset delivers loud and clear audio,perfect for Internet calls. It has a noise-cancelling microphonethat cuts down on the background noise to ensure sound clarity. Aflexible boom brings the microphone close for clear voice pickup.When not in use, the boom can be stowed out of way. This Plantronicsheadset features soft-to-touch, swivel-mounted ear cushions, so youget to enjoy full-range stereo sound. With in-line controls, thisbinaural headset makes it easy for you to mute or adjust the microphoneand music volume. Featuring a lightweight design, it is comfortablefor extended hours of use.