HamiltonBuhl Ear Buds with In-Line Microphone – 100 Pack – Stereo Earbuds with 3.5mm TRRS Plug feat_hygienic and instructional use

and instructional use

1 carry case for portability and protection

That adapter requirement is an inference from the connector type and is not explicitly stated in the listings above

5 mm headset jack Select a 3

Koss Communication Headset with Noise-Reduction MicrophoneClear Voice Technology & Premium Sound for Seamless Communication

HamiltonBuhl Ear Buds with In-Line Microphone – 100 Pack – Stereo Earbuds with 3.5mm TRRS Plug feat_hygienic and instructional useHamiltonBuhl Ear Buds with In Line Microphone 100 Pack are an affordable, classroom ready audio solution designed for schools, testing environments, call centers, and large institutional deployments. Featuring clear stereo sound, a built in in line microphone, and a universal 3. 5mm TRRS (4 pole) plug, these earbuds support both audio playback and voice input for Chromebooks, laptops, tablets, and smartphones. Individually packaged for hygienic