The Jabra Engage 55 Mono USB-A MS Wireless Headset is a brand new, black single earpiece headset with built-in microphone and noise cancellation feature. Made by Jabra, it offers wireless connectivity via USB and has a sleek design. This headset is perfect for computer and desktop use, providing a convenient and high-quality audio experience with the added benefit of noise cancellation. Designed for comfort and functionality, the Jabra Engage 55 headset is a reliable choice for those needing a single earpiece solution for their work or personal needs.