PLUG AND PLAY with USB-A and USB-C connectivity: The Discover D713U plugs into your computers with USB-A or USB-C ports for your business phone calls and video conferencing applications. No additional software required. ALL DAY COMFORT: If headband type headsets give you headaches or get tangled in your hair, the Discover D713U is for you. Sleek earpiece design with 3 included ear tips for all day comfort. CRYSTAL CLEAR CALLS: Rather than using your computer's speaker and microphone, the D713U gives you a professional quality microphone and speaker for more productive calls. CALL CONTROLS: On the cord of the D713U is a volume up, volume down and mute/unmute so you can easily adjust volumes and mute your calls when needed. PEACE OF MIND: You're covered with a 3 year advanced replacement warranty incase of an accident or product defect The Discover D713U is a sleek over the ear wired USB headset for your computer applications. Whether you need to connect with Cisco Jabber, Avaya One-X, Microsoft Teams, Zoom, GoToMeeting and many other computer applications, the Discover D713U is compatible. If you don't want a headband that goes over your head because it gives you headaches or messes up your hair, the Discover D713U is the headset for you. With an adjustable ear hook and choice of 3 ear tips to choose from, you can customize the headset for your ear. Once connected to your computer, you'll be heard crystal clear on your phone calls. With a noise canceling microphone, your callers will be able to hear you and the noise around you will be reduced to avoid unwanted background distractions. Lastly, you're covered with a 3 year advanced replacement warranty in the case of an accident!