Additional Details ------------------------------ Product description: ?Teknetics Professional Metal Detector Stereo Headphones 1/4 1/8? Plug HEADT Designed for use with Teknetics metal detectors. The adjustable headphone is light weight with true stereo sound and separate left and right volume controls. Soft leather earpiece pads surround the ears for a comfortable fit. The extra long cable provides for easy access and mobility. The headphone features s 1/4? plug along with a 1/8? mini adaptor for compatibility with most audio electronics. Using headphones improves battery life and allows you to hear subtle changes in the sound more clearly, particularly if searching in a noisy location.