HP Poly Voyager 4300 UC 4310 Wired/Wireless Over-the-head, On-ear Mono Headset - Black - Microsoft Teams Certification - Siri, Google Assistant - Monaural - Supra-aural - 9100 cm - Bluetooth - 20 Hz to 20 kHz - 150 cm Cable - Electret Condenser, MEMS 77Y