Waterproof Headphones - Amazing sound quality both above & below the waterline! You can use them up to a max depth of 3m, but these headphones are ideal for yachtsmen, dinghy sailors, swimmers and windsurfers alike. Ultra lightweight • Comfortable in-ear design • Nickel plated (rustproof) universal 3.5mm stereo jack • Spare silicone buds • Free headphone buoy to store headphones safely. Perfect for use with the Aquapac MP3/iPod Case - See Code: 290028.