Poly Blackwire 3210 Headset - Mono - USB Type C, Mini-phone (3.5mm) - Wired - On-ear - Monaural - Ear-cup - 5.3 ft (1.61 m) Cable - Noise Cancelling Microphone - Noise Canceling - Black

Poly Blackwire 3220 Stereo Headset +USB-C/A Adapter TAA - Microsoft Teams Certification - Stereo - USB Type C - Wired - 32 Ohm - 20 Hz to 20 kHz - Over-the-head, Over-the-ear - Binaural - Supra-aural - 5.2 ft (1.58 m) Cable - Noise Cancelling Microphone - Black

Poly Blackwire 3220 Stereo USB-C Headset + USB-C/A Adapter (Bulk) - Stereo - USB Type C, Mini-phone (3.5mm) - Wired - 32 Ohm - 20 Hz to 20 kHz - On-ear, Over-the-head - Binaural - Supra-aural - 5.2 ft (1.58 m) Cable - Omni-directional, Noise Cancelling Microphone - Noise Canceling - Black

Poly Blackwire 3220 Stereo USB-C Headset +USB-C/A Adapter - Stereo - USB Type C, Mini-phone (3.5mm) - Wired - 32 Ohm - 20 Hz to 20 kHz - On-ear, Over-the-head - Binaural - Supra-aural - 5.2 ft (1.58 m) Cable - Omni-directional, Noise Cancelling Microphone - Noise Canceling - Black

Poly Blackwire 3310 USB-C Headset TAA - Mono - USB Type C - Wired - 32 Ohm - 20 Hz - 20 kHz - On-ear - Monaural - Ear-cup - 7.1 ft Cable - Omni-directional Microphone - Noise Canceling - Black - TAA Compliant

Poly Blackwire 3210 Monaural USB-C Headset +USB-C/A Adapter (Bulk) - Mono - USB Type C, Mini-phone (3.5mm) - Wired - 32 Ohm - On-ear - Monaural - Ear-cup - 5.2 ft (1.58 m) Cable - Omni-directional Microphone - Noise Canceling - Black

Poly Blackwire 3215 3.5mm Top - Microsoft Teams Certification - Mono - Mini-phone (3.5mm), USB Type A - Wired - 32 Ohm - 20 Hz to 20 kHz - Over-the-head, Over-the-ear - Monaural - Supra-aural - 7.4 ft (2.26 m) Cable - Noise Cancelling Microphone - Black

Poly Blackwire C3225 3.5mm Top - Stereo - Mini-phone (3.5mm), USB Type C - Wired - 32 Ohm - 20 Hz to 20 kHz - On-ear, Over-the-head - Binaural - Supra-aural - 7.4 ft (2.27 m) Cable - Noise Cancelling Microphone - Noise Canceling - Black

Logitech H570E Headset - Microsoft Teams Certification - Mono - USB Type A - Wired - 20 Hz to 20 kHz - Over-the-head - Monaural - Supra-aural - 6.2 ft (1.90 m) Cable - Noise Cancelling, Omni-directional, Uni-directional Microphone - Noise Canceling - Black

Logitech H570E Headset - Microsoft Teams Certification - Mono - USB Type C - Wired - 20 Hz to 20 kHz - Over-the-head - Monaural - Supra-aural - 6.2 ft (1.90 m) Cable - Noise Cancelling, Omni-directional, Uni-directional Microphone - Noise Canceling - Black

Poly Blackwire 3210 Monaural Headset +USB-C/A Adapter TAA - Mono - USB Type C - Wired - 32 Ohm - 20 Hz to 20 kHz - On-ear, Over-the-head - Monaural - Ear-cup - 5.3 ft (1.61 m) Cable - Noise Cancelling Microphone

Poly Blackwire 3210 Monaural USB-C Headset +USBC/A Adapter - Mono - USB Type C, Mini-phone (3.5mm) - Wired - 32 Ohm - On-ear - Monaural - Ear-cup - 5.2 ft (1.58 m) Cable - Omni-directional Microphone - Noise Canceling - Black

Poly Blackwire 3210 Monaural USB-C Black Headset + USB-C/A Adapter (Bulk) - Mono - USB Type C, Mini-phone (3.5mm) - Wired - 32 Ohm - On-ear - Monaural - Ear-cup - 5.2 ft (1.58 m) Cable - Omni-directional Microphone - Noise Canceling - Black

Poly Blackwire 3215 Monaural USB-A Headset - Mono - Mini-phone (3.5mm), USB Type A - Wired - 32 Ohm - 20 Hz to 20 kHz - On-ear, Over-the-head - Monaural - Supra-aural - 7.4 ft (2.27 m) Cable - Noise Cancelling Microphone - Noise Canceling - Black