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