Our most rugged headset, the 3066 is designed for language learning in today’s classrooms. This compact, adjustable headset is ideal for high speed internet listening, language learning and tutorials in computer labs and other multimedia applications as well as a web phone. USB plug eliminates need for a sound card, Windows/Mac compatible Durable ABS plastic earcups In-line volume control Adjustable, padded headband with replaceable foam-filled ear cushions Around-ear ambient noise-reducing earcups deliver maximum protection against exterior sounds (without added electronic circuitry and expense). This reduces the need to increase the volume (protecting the ears) and helps keep students on task.