Poly Blackwire 3200 3220 Headset - Stereo - USB Type C, Mini-phone (3.5mm) - Wired - 32 Ohm - 20 Hz to 20 kHz - On-ear, Over-the-head - Binaural - Ear-cup - 5.3 ft (1.61 m) Cable - Omni-directional, Noise Cancelling Microphone - Noise Canceling - Black

Poly Blackwire 3210 Monaural USB-C Headset TAA (Bulk) - Mono - USB Type C - Wired - 32 Ohm - Over-the-head, On-ear - Monaural - Supra-aural - 5.3 ft (1.61 m) Cable - Omni-directional, Noise Cancelling Microphone - Noise Canceling - Black

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 3210 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 - 5.3 ft (1.61 m) Cable - Noise Cancelling, Omni-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