The SC-7V headphones from Hamilton Buhl offer great sound quality and comfort at an incredible price. Perfect for use in schools and other institutions the SC-7V has a comfortable adjustable headband and the over-ear earcups have washable replaceable leatherette ear cushions. Built-in volume control allows a listener to make adjustments without affecting others when listening at a group station. Patented Automatic Stereo/Mono (ASMTM) technology allows the headphones to detect whether they re plugged into a mono or stereo audio sound source so you can plug into any sound system without worry. The single-sided cable is designed to minimize tangles. The 1/8 mini plug and 1/4 adapter ensure your ability to connect to any audio device. Features: High-quality affordable headphones are great for schools Large 57mm Cobalt magnet drivers. Adjustable headband; Swiveling over-ear earcups have washable replaceable leatherette earpads; Built-in volume control; Single-sided coi Hamilton Buhl SC-7V Brand New. The Hamilton Buhl Schoolmate SC-7V deluxe headphone with volume control is the perfect companion to today s ever-growing classroom technology. Apple and Android devices tablets computers MP3 players and more. 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. And now the SC-7V features our unique 6 Duran-Cord - the chew kink and knot-resistant PVC-jacketed braided cord - specially designed to be more durable and reliable than ever SC-7V