Additional Details ------------------------------ Product description: Our WM09 Wireless Audio Module allows you to connect your favorite headphones ? whether they be wired or wireless ? to your X-TERRA PRO, MANTICORE or EQUINOX 700/900 metal detector. It enables precise detector responses so you can hear where treasures are buried, as well as the freedom to move without wires. To use the module, just connect your headphones to the headphone socket, or connect a headphone adapter cable to the threaded socket. Charge it back up with the included USB charging cable when it runs out of battery. MINELAB'S range of accessories will help keep your equipment in top condition to unearth lost treasures. Material: Plastic