Logitech H111 Wired 3.5 mm headset with Microphone for educational use - Black

UH34 Mono (monaural) USB headset, boom microphone, noise canceling, headband, HD voice, Teams, leather ear cushion. Integrated LED indicator and warning tone

Wideband Headset for Yealink IP Phone Monaural Ear (single ear) Quick-disconnect (QD) cord RJ9 Headset Jack Noise-Canceling Microphone Hearing Protection Leather Ear Cushions

Wideband Headset for Yealink IP Phone Binaural Ear (dual ear) Quick-disconnect (QD) cord RJ9 Headset Jack Noise-Canceling Microphone Hearing Protection Leather Ear Cushions

Wideband Headset for Yealink IP Phone Monaural Ear (single ear) Quick-disconnect (QD) cord RJ9 Headset Jack Hearing Protection Leather Ear Cushions

Wideband Headset for Yealink IP Phone Binaural Ear (dual ear) Quick-disconnect (QD) cord RJ9 Headset Jack Hearing Protection Leather Ear Cushions

Unified Communications USB Wired Headset Monaural Ear (single ear) USB-A 2.0 Noise-Canceling Microphone Leather Ear Cushions Controller(UC Button)

Microsoft Certified Teams USB Wired Headset Binaural Ear (dual ear) USB-A 2.0 Noise-Canceling Microphone Leather Ear Cushions Controller(Microsoft Teams button)

Unified Communications USB Wired Headset Binaural Ear (dual ear) USB-A 2.0 Noise-Canceling Microphone Leather Ear Cushions Controller(UC Button)

Plug-and-play; USB connectivity to Yealink IP phones, including T41S/T42S/T46S/T48S/T42U/T43U/T46U/T48U/T53/T53W/T54W/T57W/T58A/VP59 (T41S/T42S/T46S/T48S should be upgraded to version 82 or higher); ;HD Voice/Wideband speaker performance

Plug-and-play; USB connectivity to Yealink IP phones, including T41S/T42S/T46S/T48S/T42U/T43U/T46U/T48U/T53/T53W/T54W/T57W/T58A/VP59 (T41S/T42S/T46S/T48S should be upgraded to version 82 or higher); HD Voice/Wideband speaker performance

YEALINK UH34 Lite Duo (binaural) USB headset - UH34 LITE DUAL TEAMS - Headset - Wired - On-Ear - Stereo - 20 - 20000 Hz