Additional Details ------------------------------ Product description: Manufacturer: HP Inc. Manufacturer Part Number: 7E2M1AAABA. Brand Name: Poly. Product Line: Voyager. Product Model: 4320-M. Product Name: Voyager 4320-M Headset. Product Type: Headset. [Technical Information] Microsoft Teams Certification: Yes. [Interfaces/Ports] Host Interface: USB Type A.