DropTech USB B2 Headset Designed for student testing and assessments and is built tough enough to withstand the rigors environment. It features a twistable, non-break headband, durable earpads that easily wipe clean, and a boom microphone. No installation required. Just plug and play. The headsets has a 3mm braided and chew-proof cord. DropTech Beta Headphones are drop tested to protect against falls from up to 4 feet.