Poly Blackwire 3220 Stereo USB-C Headset USB-C/A Adapter Button User Controls Call answer/end; Call ignore/on hold; Redial; Mute; Volume /- Microphone Type Noise cancelling Microphone Bandwidth 100 Hz to 10 kHz Speaker size 28 mm Speaker bandwidth 200 Hz to 6.8 kHZ (speech mode); 20 Hz to 20 kHZ (media mode) Headphone Type On-ear (stereo) Connection Type Wired: USB Type-C®, USB Type-C®/A adapter Cable length 2.59 ft (inline module to headset); 2.95 ft (USB to inline module); 5.28 ft (total USB to headset) Acoustic Protection Technology SoundGuard[1] Color Black Energy efficiency TCO Certified Compatibility Compatible with PCs via USB Type-C® cable or USB Type-C®/A adapter Compatible operating systems Windows 11; Windows 10; macOS; Android™; iOS Dimensions (W X D X H) 6.1 x 1.25 x 7.1 in Weight 0.28 lb (with cable); 0.20 lb (without cable) Warranty Poly standard two-year limited warranty What’s in the box Headset; USB Type-C®️ cable; User guide; USB Type-C® to USB Type-A adapter Manufacturer Product Number 209749-22
