MACH-2™ is the new deluxe and stylish, robust and versatile multimedia USB headset from HamiltonBuhl that will connect to any device with a USB port, whether PC or Mac! Featuring high quality integrated USB sound, noise canceling steel reinforced gooseneck microphone with in-line volume control, soft leatherette ear cushions delivering excellent noise-isolation, and adjustable, folding headband, MACH-2™ is designed for all-day comfort and easy compact storage. With the exclusive Dura-Cord™ (chew, kink and knot-resistant, PVC, jacketed, braided cord), and MACH-2 Multimedia USB Headset is loaded with sought-after features. The ideal companion for ever-growing and changing technology in the classrooms, this deluxe, over-ear multimedia USB headset is the high quality, durable yet comfortable accessory each student needs to get the most out of their high tech lessons. Details: BlackOver-Ear with Steel Reinforced Gooseneck Mic40mm Speaker DriverEar Cup Volume Control Frequency Response: 50-20,000 HzDeluxe and stylish, robust and versatile multimedia USB headset Will connect to any device with a USB port, whether PC or Mac Foldable Leatherette Padded HeadbandNoise isolating Leatherette Ear Cushions