The HamiltonBuhl Lab Pack of Favoritz Student Headphones with In-Line Microphones includes 12 blue Favoritz headphones, 12 anti-lice, moisture-resistant bags, and a small, lockable carry case that holds all 12 headphones. Ideal for students in a variety of classroom environments, the over-ear headphones feature noise-reducing earcups with comfortable leatherette earpads, and a padded, adjustable headband. 40mm dynamic drivers produce a frequency response of 50 Hz to 20 kHz, which ensures clarity without excessive bass. The 5' braided nylon cable is kink- and chew-resistant and utilizes an angled 3.5mm TRRS stereo mini jack with a slim profile for easy insertion into devices with thick cases. The in-line microphone allows easy voice communication and voice control of digital assistants.