Gray Ghost Wireless Headphones for Garrett AT Series metal detectors with 2-Pin connectors. These Wireless Gray Ghost Headphones are designed to be used exclusively with the following models of Garrett metal detectors: AT Pro, AT Gold, AT Max, Sea Hunter Mark II, ATX and Infinium LS. These metal detecting headphones are built for use on the dry land. Ships complete with Wireless module and rechargeable battery and charger.