Sennheiser PC 8 USB - Stereo USB Headset for PC and MAC with In-line Volume and Mute Control USB plug & play - simply plug in to your PC or Mac USB port and start phoning over the net.Connectivity Technology: Wired Stereo sound - Sennheiser quality is perfect for a range of applications such as music and gaming Light and comfortable - with the lightweight headband, it's easy to forget you're wearing a headset Noise canceling clarity - thanks to the noise canceling microphone, your voice is easily understood without you having to shout Peace of mind - thanks to the 2-year international warranty; Connectivity Technology: Wired USB