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HP Poly Blackwire 3320 Stereo USB-C Headset + USB-C Adapter - 213934-01 - Black (Boxed)

SKU 19685 Brand HP EAN13 0197498429090
Wired on-ear stereo USB-C headset with noise-cancelling mic, inline controls for call/mute/volume, and USB-C to A adapter. Optimized for PC/Mac UC apps like Teams with SoundGuard protection. Comfortable, durable design for office use.
Headsets & Microphones - Product Type Headset
Headsets & Microphones - Wearing Style On-ear
Headsets & Microphones - Microphone Type Headset Mic
Headsets & Microphones - Special Features Mute Button
Headsets & Microphones - Connectivity USB-C
Headsets & Microphones - Surround/Spatial Stereo
Headsets & Microphones - Platform Compatibility MacOS PC

The HP Poly Blackwire 3320 is a professional wired headset designed for unified communications, featuring direct USB-C connectivity and an included USB-C to USB-A adapter for broad compatibility. Its on-ear design with adjustable headband and foam ear cushions ensures all-day comfort during calls or multimedia sessions.

Equipped with a flexible noise-cancelling microphone (135mm boom, rotatable 280°), it delivers clear voice pickup with 100 Hz-10 kHz bandwidth. Dual 32mm speakers provide stereo audio (20 Hz-20 kHz), Dynamic EQ, and SoundGuard technology to protect against acoustic shock above 118 dBA. Inline controls include answer/end call, mute, and volume adjustment.

  • Plug-and-play USB-C for PC/Mac (Windows 10/11, macOS)
  • Noise/echo reduction for crystal-clear calls
  • Lightweight at 131g with robust build
  • UC-certified, Microsoft Teams compatible
  • 2-year Poly warranty
Product TypeHeadset
Headphone TypeOn-ear (stereo)
Microphone TypeNoise cancelling / Omnidirectional
Speaker Size32 mm
Impedance32 ohm
Microphone Bandwidth100 Hz to 10 kHz
Speaker Bandwidth20 Hz to 20 kHz
Sensitivity (Microphone)-38 dBV/Pa / 11 dB SLR
Sensitivity (Speaker)116 dB / -3.5 dB RLR
Nominal Sound Pressure Level118 dB SPL / 94 dB SPL
Boom Mic Length135 mm
Boom Rotation280°
Cable Length (Total)217.93 cm
Weight (Unpacked)131 g
Weight (Packaged)300 g
Compatible OSWindows 10/11, macOS
ConnectivityUSB Type-C® with USB-C/A adapter
Acoustic ProtectionSoundGuard Digital
ControlsAnswer/End, Mute, Volume +/-
Warranty2-year limited