The Plantronics CS540 Wireless Headset allows you to communicate clearly up to 350 feet away from your workplace. The CS540 features a sleek, light design and has undergone comfort testing. It is intended to connect to your desk phone. You may answer or stop conversations, manage the volume, and mute the headset with one-touch controls. You may conference in up to three more headsets with the device as well for simpler cooperation. There are ear loops and a headband included with the headset, so you may wear it over your ears or on your head as is most comfortable for you.