Gumdrop DropTech B1 Kids Rugged Headset with Microphone - Compatible with all devices with a 3.5mm headphone jack (Bulk packaged in Poly bag)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.