Stereo Mini-phone Wired 32 Ohm 150 Hz Experience exceptional audio clarity while you #39; #39;re on a call or listening to music with the Dell Pro Stereo Headset - UC350 , certified for Microsoft reg; Skype reg; for Business. Enjoy optimized in-person call quality and music clarity with HD wideband voice and a dynamic equalizer. A built-in noise cancelling mic picks up only your voice and eliminates background noise. The most used call functions will be at your fingertips with the included control unit. You #39; #39;ll be able to pick up calls, hang up, and control volume and mute functions with ease. Get started right away with plug and play, without needing to download software. Enjoy peace of mind knowing the headset is tested and certified on Dell systems. Experience exceptional audio clarity on calls or while listening to music with the Dell Pro Stereo Headset - UC350. Put on the Dell Pro Stereo Headset - UC350 and experience exceptional audio clarity whether you #39; #39;re on a conference call or listening to your favorite music. Enjoy optimized in-person call quality and music clarity with HD wideband voice and a dynamic equalizer. UC350 works with most major unified communication platforms, and is Microsoft reg; Skype reg; for Business certified. The Dell Pro Stereo Headset - UC350 features a built-in noise cancelling mic, so that only your voice will be picked up and not the surrounding background noise. Comfortable leatherette ear cushions offer passive noise reduction, eliminating high frequency ambient noise. The most used call management functions will be at your fingertips with the included control unit. Detach the 3.5mm jack from the control unit and plug it into your smartphone or tablet to make calls or play your favorite music. A control unit lets you conveniently manage call functions with the touch of a button. You #39; #39;ll be able to pick up calls, hang up, and control volume and mute functions with ease. Get started right away with plug and play without needing to download a