Elegant and ergonomic headset as a great resource management calls everyday use especially in business and appreciate the full readiness for dialogue and insulation contact with the environment. Benefits are also digital speakers to reproduce a noise-canceling microphone. Headphones are optimized for Microsoft Lync, but are fully compatible with all communication programs such as Live Messenger, ICQ, Skype or other internet phone calls. Of course, it is easily accessible controls for easy volume level adjustment and the indicator light warning that you are busy. Headphones work via a standard analog stereo or digital USB connector without the need to install any drivers. Specifications: Interface: 1x USB 2.