Let you, not the task, decide where you work. Use your headset where you want. Connect easily to your PC via the USB-based control unit. Additionally you can easily change your office headset to a very stylish personal head- set when you're on the go by seamlessly integrating the microphone boom arm into the headband. Stay focused, by eliminating distractions in noisy open office environments. The Jabra Evolve series helps you create your own concentration zone with premium active and passive noise cancellation technology - so that you, and not noisy disturbances, are in control. Get further protection from interruptions with the busy light that signals whether or not you are available to colleagues. Made for both music and voice. With a world-class set of microphone and speakers that are truly made for both voice communication and music listening, you are free to choose if you want to be in your own concentration zone or actively participate in voice-based collaboration.