This Deluxe Monaural headphone is the educator's standard for listening centers and language learning activities. Built for student comfort and ruggedness, it delivers high quality voice reproduction that's critical in ELL and ELD lessons, day to day classroom uses and assessments. It has comfy, noise-reducing circumaural ear cups designed to minimize external distractions and keep students more on task (which also decreases the need to raise the volume to potentially damaging levels). Its audio playback is calibrated to enhance the tonal range of the human voice for use in language learning. Features: 1. Fully adjustable headband 2. Recessed wiring for safety 3. Deep, noise-reducing circumaural ear cups lower external noise so volume needn't as high, for hearing safety 4. Volume control on ear cup for convenience 5. Reinforced entry point of the cord into the ear cup 6. Permanently attached 6' coiled cord long enough to avoid accidental pull out 7. 1/4" mono plug 8. Slotted baffles prevent speaker access (2924EC ear pad covers shown on right ear cup) 9. Easy to clean ear cushions 10. Rugged ABS head strap and ear cups resist breakage in high-use situations