The Poly Blackwire 3310 Monaural USB-C Headset with USBC/A Adapter is a high-quality telephone headset designed for computer and desk phone use. Made by Plantronics, a trusted brand in communication technology, this headset offers a sleek black design and easy wired connectivity. The included USBC/A adapter allows for universal compatibility, making it a versatile option for various devices. Perfect for professionals looking for a reliable and comfortable headset for their work environment.