Poly CS540 DECT 1920-1930 MHz Headset Convertible Multi Pack (3 Pieces) - Mono - Wireless - DECT - 393.7 ft (120 m) - 20 Hz to 6.80 kHz - Over-the-head, Over-the-ear - Monaural - Ear-cup - Noise Cancelling Microphone - Black

Cisco 980 Headset - Stereo - USB Type A, Mini-phone (3.5mm) - Wired/Wireless - Bluetooth - 12 ft (3.66 m) - 24 Ohm - 20 Hz to 20 kHz - Over-the-head, Over-the-ear - Binaural - Circumaural - 3.9 ft (1.20 m) Cable - MEMS Technology, Uni-directional Microphone - Noise Canceling - Black Anthracite

Poly Blackwire 5220 Stereo USB-A Headset TAA (Bulk) - Microsoft Teams Certification - Stereo - USB Type A, Mini-phone (3.5mm) - Wired - 32 Ohm - Over-the-head, On-ear - Binaural - Supra-aural - 7.1 ft (2.17 m) Cable - Noise Cancelling Microphone - Noise Canceling - Black

Poly Blackwire 5220 Headset +Inline Cable +USB-C/A Adapter TAA - Microsoft Teams Certification - Stereo - USB Type C, Mini-phone (3.5mm) - Wired - 32 Ohm - 20 Hz to 20 kHz - Over-the-head - Binaural - Supra-aural - 7.1 ft (2.16 m) Cable - Noise Cancelling Microphone - Noise Canceling - Black

Poly EncorePro 530 with Quick Disconnect Discreet Headset TAA - Mono - Mini-phone (3.5mm) - Wired - 20 Hz to 16 kHz - On-ear - Monaural - Ear-cup - 2.9 ft (0.89 m) Cable - Omni-directional, Noise Cancelling Microphone - Black

Poly Blackwire 3225 Stereo Headset +USB-C/A Adapter TAA - Microsoft Teams Certification - Stereo - Mini-phone (3.5mm), USB Type C - Wired - 32 Ohm - 20 Hz to 20 kHz - Over-the-head, Over-the-ear - Binaural - Supra-aural - 7.4 ft (2.27 m) Cable - Noise Cancelling Microphone - Black

Poly Blackwire 3225 Stereo USB-A Headset TAA (Bulk) - Stereo - Mini-phone (3.5mm), USB Type A - Wired - 32 Ohm - Over-the-head, On-ear - Binaural - Supra-aural - 7.4 ft (2.27 m) Cable - Noise Cancelling, Omni-directional Microphone - Noise Canceling - 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 C3215 Monaural Headset + Carry Case (Bulk Qty.50) - Mono - Mini-phone (3.5mm), USB Type C - Wired - 32 Ohm - 20 Hz to 20 kHz - Over-the-head, On-ear - Monaural - Ear-cup - 7.4 ft (2.26 m) Cable - Noise Cancelling, Omni-directional Microphone - Noise Canceling - Black

Poly Blackwire 3225 Stereo USB-A Headset (Bulk) - Stereo - Mini-phone (3.5mm), USB Type A, USB Type C - Wired - 32 Ohm - 20 Hz to 20 kHz - Over-the-head, Over-the-ear - Binaural - Supra-aural - 7.4 ft (2.26 m) Cable - Noise Cancelling Microphone - Black

Poly Blackwire C3225 Stereo USB-C Headset (Bulk) - Stereo - Micro USB, Mini-phone (3.5mm) - Wired - 32 Ohm - On-ear - Binaural - Supra-aural - 7.4 ft (2.26 m) Cable - Noise Cancelling, Omni-directional Microphone - Noise Canceling - Black

Poly Blackwire C3215 Monaural Headset +Carry Case TAA (Bulk) - Mono - Mini-phone (3.5mm), USB Type C - Wired - 32 Ohm - 20 Hz to 20 kHz - On-ear, Over-the-head - Monaural - Supra-aural - 7.4 ft (2.26 m) Cable - Omni-directional, 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

Poly Blackwire 3215 Monaural USB-A Headset (Bulk) - Mono - Mini-phone (3.5mm), USB Type A, USB Type C - 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 C3215 Monaural Headset + Carry Case - Mono - Mini-phone (3.5mm), USB Type C - Wired - 32 Ohm - 20 Hz to 20 kHz - Over-the-head, On-ear - Monaural - Ear-cup - 7.4 ft (2.26 m) Cable - Noise Cancelling, Omni-directional 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

Jabra Evolve 20SE UC Headset - Mono - USB Type C - Wired - 32 Ohm - 150 Hz to 7 kHz - On-ear - Monaural - Ear-cup - 3.9 ft (1.20 m) Cable - Electret Condenser Microphone

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 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

Jabra Biz 1100 EDU Headset - Stereo - USB, Mini-phone (3.5mm) - Wired - 80 Hz to 20 kHz - On-ear, Over-the-head - Binaural - Ear-cup - 5.9 ft (1.80 m) Cable - Noise Cancelling, Uni-directional Microphone

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

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 5210 Monaural USB-A Headset TAA - Microsoft Teams Certification - Mono - Mini-phone (3.5mm) - Wired - 32 Ohm - 20 Hz to 20 kHz - Over-the-head, On-ear - Monaural - Supra-aural - 7.1 ft (2.17 m) Cable - Noise Cancelling, Omni-directional Microphone - Noise Canceling - Black