Seattle Sports Dry Doc Digi Wallet (Black, 5.5 x 10.8-Inch) The Dry Doc Digi Wallet features 2 compartments. Offers 2 levels of protection. One side features the audio-jack pass-through port, that allows you to plug your headphones in, while still keeping your sm artphone or mp3 protected. 2nd compartment is totally dry, for ma ximum sand and water protection Dry Docsprotect your gear from water and dust, and allow you to still use many of your items. Talk on your phone, read books, or type e-mails, right through the case!