HamiltonBuhl Primo Bulk Headphones (100 Pack) - Durable Classroom Headphones for Students, Schools & Libraries - Perfect for Online Learning, Testing & Computer Labs

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.

• 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: 32Ω
• 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