The durable and sleek Smart-Trek USB deluxe headsets are versatile and compatible with a wide variety of technologies. Designed to stand up to the K-12 environment, Smart-Trek headsets are built to last. Smart-Trek feature a rugged and comfortable design, so teachers can have headsets that will function for years, and students can wear the headsets for an extended period of time. Its adjustable headband snaps easily into place to fit students of all ages. The ear cups are made with high quality leatherette ear cushions that are easy to clean, durable, and provide excellent noise isolation.Details: BlackDeluxe Stereo Headset with in-line volume control and USB plugSensitivity: 105dB ± 4dBFeature a durable, flexible, noise canceling steel reinforced gooseneck microphoneVersatile and compatible with a wide variety of technologiesFeature a rugged and comfortable design will function for yearsStudents can wear the headphones for an extended period of time Has adjustable headband snaps Ideal for K-12 environment