MACH-1 is the new ruggedly built, stylish, robust, lightweight multimedia USB headset that will connect to any device with a USB port, whether PC or Mac! Features soft leatherette ear cushions, steel-reinforced microphone, in-line volume control, adjustable headband, and excellent, high quality sound. Each headset comes with an exclusive chew, kink, and knot-resistant Dura-Cord and an Anti-Lice storage bag perfect for everyday classroom use.