DROPTECH USB B2 Headset is designed for student testing and assessments and are built tough enough to withstand the rigors of the K-12 environment. They feature a twistable, break-resistant headband, durable earpads that easily wipe clean, 3mm braided, chew-proof cord, in-line volume adjustment, and a unidirectional boom microphone. The DropTech USB Headsets are rugged and drop tested to protect against falls up to 4 feet making them the perfect headset for your digital classroom.