The Jabra Engage 75 Stereo Pro Headset P/N: 9559-583-125 is a high-quality wireless headset designed for professionals who require clear communication and advanced features. With a sleek black design and comfortable headband form factor, this headset offers a stylish and practical solution for those working on laptops or desktop computers. Featuring Bluetooth connectivity, built-in call functions, volume control, and noise cancellation capabilities, the Jabra Engage 75 ensures a reliable and enjoyable user experience. The boom microphone and over-the-ear design further enhance the audio quality for crystal-clear communication. see pictures bought at an estate sale. I believe it is new in open you can tell by all connections have never been plugged in and other signs. I plug in power to show it comes on. also no charge on batteries another sign its never been used.