Versatile, workhorse, NeoTech Plus 1017MT Headphones are perfect for general-purpose classroom use with mobile devices. It delivers high-performance, one-on-one learning, assessment testing and more. Audio playback is calibrated to enhance tonal range of the human voice. Unidirectional inline microphone captures your response, not your neighbors, and is perfect for language learning, library use and in computer labs. Unidirectional microphone captures your response, not external noise. Padded headband is comfortable for extended wear. Adjustable, ABS head strap fits all sizes. Set volume at levels recommended for hearing safety by wearing these noise-reducing, circumaural earcups that lower external noise. CaliTuff cord resists chewing, cutting and separation. 6' long cord is long enough to avoid accidental disconnection. It comes in a heavy-gauge, plastic bag with a labeling area to promote classroom hygiene by isolating head lice.