Gumdrop DropTech B1 Kids Rugged Headset with Microphone - Compatible with all devices with a 3.5mm headphone jack Bulk packaged in Poly bag Outdoor > Metal Detectors Battery: 2 * 21V

Battery: 2 * 21V

Mac OS X 10

5mm SATA 2

Suitable for all tyres with standard valve

Gumdrop DropTech B1 Kids Rugged Headset with Microphone - Compatible with all devices with a 3.5mm headphone jack Bulk packaged in Poly bag Outdoor > Metal Detectors Battery: 2 * 21VDesigned 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.