Device Type: Wired Stereo UC Headset (Microsoft Teams Certified)
Connectivity: USB Type-C cable with tethered USB Type-C to USB-A adapter
Audio: Stereo on-ear design; 32 mm speakers; speaker bandwidth 20 Hz – 20 kHz; noise-cancelling omnidirectional boom mic; microphone bandwidth 100 Hz – 10 kHz; Dynamic EQ optimized
User Controls: Inline module with call answer/end, mute, volume +/-; dedicated Microsoft Teams button
Acoustic Protection: Poly SoundGuard Digital technology
Compatibility: Windows 11/10, macOS; Certified for Microsoft Teams, UC certified
Key Specs: Poly Blackwire 3320 (8X220AA), USB-C + USB-A Adapter, Stereo On-Ear, Noise-Cancelling Mic, SoundGuard Digital, Microsoft Teams Certified, 2-Year Warranty
- Dimensions (W x D x H): 166 x 39.5 x 199 mm
- Weight: 131 g
- Cable Length: 217.93 cm total (USB to headset)
- Color: Black
- Boom Mic: 135 mm length, 280° rotation
