Additional Details ------------------------------ Product description: Style, comfort and audio qualityBuilt for style with a sleek design that focuses on comfort and reliability. Poly signature audio quality so you know you will sound great.And intuitive and simple features so every user can connect to their preferred device simply and easilyConnect quickly and easily The Blackwire 3300 Series is completely plug-and-play with USB devices, so users can take calls in the office or on the go. Its robust design delivers reliability you can count on. This is the hassle-free headset you've been looking for.Look good, feel good, sound amazingYou wear a headset all day long - better pick one that looks, feels, and sounds great. Boost your on-the-call confidence with professional-quality audio and a customized fit with a headset that can connect to your devices quickly and easily and is ready to go with you wherever you go. Manufacturer: HP Inc. Manufacturer Part Number: 8M3V1AAABA. Brand Name: Poly. Product Line: Blackwire. Product Series: 3300. Product Model: 3320. Product Name: Blackwire 3320 Headset. Packing: Box. Product Type: Headset. [Technical Information] Connectivity Technology: Wired. Cable Length: 7.10 ft. Sound Mode: Stereo. Impedance: 32 Ohm. Minimum Frequency Response: 20 Hz. Maximum Frequency Response: 20 kHz. Features: SoundGuard Technology. Dynamic EQ. Flexible. Digital Signal Processing (DSP). Comfortable. Plug and Play. Microsoft Teams Button. Echo Reduction. Noise Reduction. Flexible Microphone. Padded Headband. Noise Canceling: Yes. Sound Pressure Level: 118 dB. Microsoft Teams Certification: Yes. Adjustable Headband: Yes. [Earpiece] Earpiece Design: On-ear. Earpiece Type: Binaural. Driver Size: 1.26". [Microphone] Microphone Technology: Omni-directional. Microphone Design: Boom/On-cable. [Interfaces/Ports] Host Interface: USB Type C. Mini-phone (3.5mm). [Controls/Indicators] Earpiece Controls: Call/Answer/End. Mu