BLACKWIRE 3200 SERIESThe Blackwire 3200 Series corded UC headsets are durable, lightweight, easy to deploy and come in a variety of connectivity and wearing options. Add insights from Plantronics Manager Pro, an additional service, and you've got a future proof solution. The Blackwire 3200 series with Plantronics signature audio provides top notch features at a price you can afford. Manufacturer: Plantronics, Inc. Manufacturer Part Number: 209746-22. Brand Name: Plantronics. Product Line: Blackwire. Product Series: 3200. Product Model: C3215. Product Name: Blackwire C3215 Headset. Product Type: Headset. [Technical Information] Connectivity Technology: Wired. Sound Mode: Mono. Minimum Frequency Response: 20 Hz. Maximum Frequency Response: 20 kHz. [Earpiece] Earpiece Design: Over-the-head. Earpiece Type: Monaural. [Microphone] Microphone Technology: Noise Cancelling. Microphone Design: Boom/On-cable. [Interfaces/Ports] Host Interface: USB Type A. Mini-phone. [Physical Characteristics] Color: Black. Form Factor: Supra-aural. Weight (Approximate): 3.40 oz. [Miscellaneous] Package Contents: Blackwire C3215 Headset Carrying Case.