Minelab WM 09 Wireless Audio Module
Compatible with X-TERRA PRO, EQUINOX 700, EQUINOX 900 and MANTICORE Detectors. Go detecting with your preferred headphones - with a low latency wireless connection. The WM 09 enables precision detection responses and greater freedom of movement. Connect your headphones to the 3.5 mm (1/8-inch) headphone socket, or connect a 1/8-inch to 1/4-inch Headphone Adaptor Cable Part No. A USB charging cable with magnetic connector is included.
Note that the WM 09 is not waterproof.