HamiltonBuhl Primo Headphones (100-Pack)

Teachers find that students excel, when they are more focused on their lessons, in classrooms, labs, libraries, and testing environments. Primo headphones are uniquely designed to provide the perfect blend of all of these. Noise-reducing ear cups allow students to clearly hear their lessons, protected from unnecessary and distracting ambient noise. Made of ABS plastic, with the exclusive chew, kink and knot-resistant Dura-Cord, and 3.5mm stereo plug, these rugged and reliable headphones make it a versatile unit to connect to Chromebooks, PCs, Macs or any device with a 3.5mm port. Specifications: Design: Mid-Size, over-ear Cushions: Leatherette Headband: Adjustable Plug: 3.5mm TRS stereo, 120 angle, thin barrel Cord: 5\’ Dura-Cord – chew-resistant, PVC-jacketed, braided nylon Speaker Drivers: 30mm Frequency Response: 50Hz-20KHz Impedance: 32 Sensitivity: 100dB 4dB QTY: 100 Headphones Color(s): Black Storage Bag: Anti-Lice, heavy-duty, write-on, moisture-resistant, reclosable bag. Helps prevent the spread of lice! When sealed in the bag, lice are killed in 24-48 hours without the use of chemicals Prop 65 Compliant Warranty: 1 Year