Ensure Your Classroom: Keep your classroom stocked with this set of 40 packs of wired headphones. Available in five colors, each is individually wrapped for effortless and sanitary student distribution Ergonomic Design for Kids: Lightweight construction and soft, child-friendly materials prioritize comfort and safety, while the adjustable headband and soft ear pads that ensure long-lasting comfort and effective noise isolation High-Quality & Durable: Featuring reinforced anti-tangle cord that stretches (4) four feet long, specifically designed for classroom and daily use. Withstanding drops tests from heights of up to 6 feet, ensuring long-lasting durability, ideal for school and beyond Wide Compatibility: Standard 3.5mm jack can fit for cellphones, tablets, Chromebooks, kindle and laptops. Perfect for libraries, airlines, hospitals and hotels. Delivers balanced, clear audio for classroom tests, computer courses, online learning, watching movies and listening to music Gaose