DiCAPac Waterproof Case  with Waterproof Earphone for iPod Nano 4G (WP-MS20) Guaranteed underwater performance up to 32 ft. (10m) deep Armband wraps comfortably around arm Meets JIS (Japan Industrial Standard) protection class 8 for waterproofing Transparent and flexible case works with iPod touch screen technology for convenient control Applicable with Apple iPod Nano