Garrett Underwater Headphones for Inf Mk II Detectors. Take your search underwater with the Garreet 2202100 Waterproof Headphones Specifications for Garrett Underwater Headphones for Metal Detectors 2202100: Manufacturer: Garrett Condition: New Quantity: 1 Package Contents: Garrett Submersible Headphones for Metal Detectors We carry the complete line of Garrett Metal Detector Parts & Accessories. For our complete selection of products by Garrett on sale please visit our Garrett page. For more Metal Detector Parts & Accessories please visit our Metal Detector Parts & Accessories store section. Garrett Underwater Headphones for Inf Mk II Detectors 2202100