Freedom to work your way. The Blackwire 3200 Series provides a quality audio experience in a headset designed for business needs. With a sleek design and flexible microphone boom for a customizable fit, what's not to love? Poly Signature Audio Quality Experience the high-quality audio you expect from Poly with a headset that delivers PC wideband, a noise-cancelling microphone, and high-fidelity stereo sound options. Dynamic EQ optimizes call quality and automatically adjusts settings for multimedia listening. Advanced Connectivity Ideal for managing calls on your PC, mobile phone, or tablet combined with the comfort and durability of a wired headset for added flexibility. Long-Lasting Comfort and Portability Relax while you talk knowing your headset is secure—the lightweight metal headband offers durability and a custom fit. Leatherette ear cushions fold flat for easy portability. Manufacturer: HP Inc. Manufacturer Part Number: 8M3X5A6ABA Brand Name: Poly Product Line: Blackwire Product Series: 3200. Product Model: 3220. Product Name: Blackwire 3220 Stereo USB-A Headset TAA (Bulk). Packaged Quantity: 50. Product Type: Headsets. [Technical Information] Connectivity Technology: Wired. Sound Mode: Stereo. Impedance: 32 Ohm. Minimum Frequency Response: 20 Hz. Maximum Frequency Response: 20 kHz. Features: Wideband Audio. Dynamic EQ. Durable. Comfortable. Lightweight. SoundGuard Technology. Digital Signal Processing (DSP). Rotatable Microphone. Unified Communication. Voice Status Alert. Acoustic Shock Protection. Flexible Microphone. Foldable. Noise Cancelling: Yes. Adjustable Microphone: Yes. Adjustable Headband: Yes. [Headset] Headset Design: Over-the-Head. Headset Type: Binaural. Driver Size: 1.10". [Microphone] Microphone Technology: Noise Cancelling. Microphone Layout: Boom. [Interfaces/Ports] Host Interface: USB Type-A. [Controls/Indicators] Headset Controls: