Each student needs a robust headphone with high-quality sound to get the most out of their high tech lessons. The noise-isolating, closed-back design of this unit provides a superior learning environment for students and makes this model an ideal headphone for testing. The SC-7V Headphones feature a unique Dura-Cord the chew, kink and knot-resistant, PVC-jacketed, braided cord specially-designed to be more durable and reliable than ever! The Hamilton Buhl SC-7V SchoolMate Deluxe Headphones with Volume Control are perfect for everyday use with a host of devices including Apple and Android tablets, computers, MP3 players and more.