With the Garrett® Z-Lynk™ Wireless Headphone Adapter, you get the audible feedback you want while treasure hunting without the hassle of tangled wires. Near-zero-second delay ensures accuracy that rivals a wired setup. Frequency-hopping technology eliminates interference from other wireless devices in the vicinity. Works with most detector brands and headphones. Runs up to 30 hours on a full charge. Simple volume control. LED indicator lights let you know how much battery is left, when the unit is fully charged and when the device is paired with your headphones. Water-resistant design lets you keep hunting in drizzling rain. Kit includes a wireless transmitter, wireless receiver with a 1/4" jack, 1/4" jack to micro-USB cable, two USB charging cables, a mounting band and a carrying case. Manufacturer's limited two-year warranty. Made in USA.