Salespeople, customer service representatives and other businesspeople who are on calls all day will appreciate the comfort and design of this stereo headset. Acoustic echo cancellation and a noise-cancelling boom mic make your calls as productive and comfortable as possible. With digital signal processing, wideband audio and dynamic equalizer, you'll be able to make and receive calls with perfect clarity. A flat, no-tangle cable connects to the USB port on your Mac or PC for plug-and-play simplicity.