Poly Blackwire 3310 Monaural USB-C Headset + USBC/A Adapter - Mono - USB Type C, Mini-phone (3.5mm) - Wired - 32 Ohm - On-ear - Monaural - Supra-aural - 7.1 ft (2.15 m) Cable - Omni-directional Microphone - Noise Canceling - Black

Poly Blackwire 3310 Monaural Microsoft Teams Certified USB-C Headset +USB-C/A Adapter - Microsoft Teams Certification - Mono - USB Type C, Mini-phone (3.5mm) - Wired - 32 Ohm - 20 Hz to 20 kHz - On-ear, Over-the-head - Monaural - Supra-aural - 7.1 ft (2.16 m) Cable - Omni-directional, Noise Cancelli

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

Poly EncorePro 310 Monoaural with Quick Disconnect Headset TAA - Mono - Quick Disconnect - Wired - 32 Ohm - 20 Hz to 10 kHz - On-ear, Over-the-head - Monaural - Supra-aural - 2.5 ft (0.76 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

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 3210 Black Headset +USB-C/A Adapter TAA (Bulk) - Mono - USB Type C - Wired - 32 Ohm - On-ear - Monaural - 2.5 ft (0.76 m) Cable - Omni-directional, Noise Cancelling Microphone - Black

Poly Voyager Free 60 UC Earset - Stereo - True Wireless - Bluetooth - 98.4 ft (30 m) - 20 Hz to 20 kHz - Earbud - Binaural - In-ear - White

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