E-Case iSeries Case with Jack for iPod/iPhone 4 Integrated, waterproof 4-pole headphone jack is compatible with remote controls on headphone cables Additional window allows simultaneous use of cameras and headphone jack Every case is individually tested to meet IPX7 standard of withstanding submersion in 1 meter of water for 30 minutes One-step, waterproof Seal Lock zipper and rugged RF-welded seams guarantee protection Fits iPod touch 4th-gen and iPhone 3, 4, 4S devices