Poly Voyager 4300 UC 4310-M Headset - Microsoft Teams Certification - Siri, Google Assistant - Mono - Wireless - Bluetooth - 298.6 ft (91 m) - 20 Hz to 20 kHz - Over-the-head, On-ear - Monaural - Ear-cup - 4.9 ft (1.50 m) Cable - Electret Condenser, MEMS Technology, Noise Cancelling Microphone - Noi

Poly Blackwire 3315 Headset +USB-C/A Adapter TAA - Mono - Mini-phone (3.5mm), USB Type C - Wired - 32 Ohm - 20 Hz to 20 kHz - On-ear - Monaural - Supra-aural - 7.1 ft (2.16 m) Cable - Omni-directional Microphone - Noise Canceling - Black

Poly Blackwire 3325 USB-A Headset - Stereo - Mini-phone (3.5mm), USB Type A - Wired - 32 Ohm - 20 Hz to 20 kHz - On-ear, Over-the-head - Binaural - Supra-aural - 7.1 ft (2.15 m) Cable - Omni-directional Microphone - Black

Poly Blackwire 3215 Monaural USB-A Headset TAA - Mono - USB Type A - Wired - 32 Ohm - 20 Hz to 20 kHz - Over-the-head - Monaural - Supra-aural - Noise Cancelling Microphone - Noise Canceling - Black

Poly Blackwire 3215 Monaural USB-A Headset TAA (Bulk) - Mono - USB Type A - Wired - 32 Ohm - 20 Hz to 20 kHz - Over-the-head - Monaural - Supra-aural - Noise Cancelling Microphone - Noise Canceling - Black

Jabra BIZ 1500 Headset - Stereo - Quick Disconnect - Wired - 150 Ohm - 20 Hz to 4.50 kHz - Over-the-head - Binaural - Supra-aural - 3.1 ft (0.95 m) Cable - Noise Canceling - Black

Jabra BIZ 1500 Headset - Mono - Quick Disconnect - Wired - 300 Ohm - 20 Hz to 4.50 kHz - Over-the-head - Monaural - Supra-aural - 3.1 ft (0.95 m) Cable - Noise Canceling - Black

Poly Blackwire 3320 Headset +USB-C/A Adapter TAA - Mono - USB Type C - Wired - 32 Ohm - 20 Hz to 20 kHz - On-ear - Monaural - Supra-aural - 7.1 ft (2.16 m) Cable - Omni-directional Microphone - Noise Canceling - Black

Poly Blackwire 3320 Microsoft Teams Certified Headset +USB-C/A Adapter TAA - Microsoft Teams Certification - Stereo - USB Type C, Mini-phone (3.5mm) - Wired - 32 Ohm - 20 Hz to 20 kHz - On-ear - Binaural - Ear-cup - 7.1 ft (2.16 m) Cable - Omni-directional Microphone - Noise Canceling - Black

Poly Blackwire 3310 USB-C Headset - Mono - USB Type C - Wired - 32 Ohm - 80 Hz to 20 kHz - On-ear - Monaural - Open - 7.1 ft (2.15 m) Cable - Omni-directional Microphone - Black

Poly Blackwire 3220 Stereo USB-A Headset (Bulk) - Stereo - USB Type A, USB Type C - 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 - Black

Poly Blackwire 3310 Microsoft Teams Certified USB-A Headset - Microsoft Teams Certification - Mono - USB Type A, Mini-phone (3.5mm) - Wired - 32 Ohm - 20 Hz to 20 kHz - On-ear, Over-the-head - Monaural - Supra-aural - 7.1 ft (2.18 m) Cable - Omni-directional, Uni-directional Microphone - Noise Cance

Poly Blackwire 3320 Stereo Microsoft Teams Certified USB-C Headset + USB-C/A Adapter - Microsoft Teams Certification - Stereo - USB Type C, Mini-phone (3.5mm) - Wired - 32 Ohm - 20 Hz to 20 kHz - On-ear, Over-the-head - Binaural - Supra-aural - 7.1 ft (2.16 m) Cable - Omni-directional, Noise Cancell

Poly Blackwire 3320 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 - 7.1 ft (2.16 m) Cable - Omni-directional, Noise Cancelling Microphone - 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 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 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 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 3220 Stereo USB-C Black 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 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 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

Kensington Classic Headset with Mic and Volume Control - Stereo - Mini-phone (3.5mm) - Wired - Over-the-head - Binaural - Ear-cup - 6 ft (1.83 m) Cable - Noise Cancelling Microphone - Noise Canceling - Black

Kensington Classic Headset with Mic and Volume Control - Stereo - USB Type A - Wired - Over-the-head - Binaural - Ear-cup - 6 ft (1.83 m) Cable - Noise Cancelling Microphone - Noise Canceling - Black

Manhattan Mono On-Ear Headset (USB), Microphone Boom (padded), Retail Box Packaging, Adjustable Headband, In-Line Volume Control, Ear Cushion, USB-A for both sound and mic use, cable 1.5m, Three Year Warranty - Mono - USB Type A - Wired - 32 Ohm - 20 Hz to 20 kHz - On-ear - Monaural - Supra-aural -