Hamilton Electronics SchoolMate Personal Automatic Stereo/Mono Switching Headphones Lab Pack w/ Acoustic Foam Earpads - 30 Headphones

Hamilton's SchoolMate Personal Automatic Stereo/Mono Switching Headphones Lab Pack is a versatile choice for your school classroom, because the headphones automatically adjust to different sources without damaging ears or equipment. Use the headphones with 3 1/2 millimeter stereo, 3 1/2 millimeter mono, 1/4-inch stereo or 1/4-inch mono. The cushy foam earphones and adjustable headbands fit most children and adults and provide a comfortable listening experience. Includes a heavy-duty anti-lice reclosable bag that you can label with the names of each student. This pack comes with 30 headphones and a carrying case.