Details: •You can make and take calls right through the plastic. With most phones it makes no noticeable difference to the volume. And the GPS signal is also unaffected. •The Medium Phone/GPS Case (code 124) will fit the older phones and GPS models or Smartphones. •It'll float with your phone/GPS in it. •It's guaranteed submersible to 15 feet (5 metres). •The UV-stabilized TPU material won't be broken down or discoloured by sunlight. •It keeps out dust and sand too. Supplied with: •It comes with an adjustable neckcord so you can hang it round your neck. •It comes with our 3-year global warranty. How big is the case? The Medium Phone/GPS Case (code 124) fits will fit older phones and GPS models and Smartphones. It's the second largest size of our range of 5 different sizes of phone/GPS cases. To make sure you choose the right case check out our Size Guide. If you think you'd like to be able to 'wear' your phone or GPS, check out the Large Armband Case (code 212). We do our best to keep our size guide up to date but of course manufacturers are bringing out new models all the time. If you know something we don't, please feel free to Tell Us about it! Dimensions: Maximum size of equipment to fit in case Length: 6.7in/170mm Circumference: 7.5in/190mm What stops the water getting in? The patented Aquaclip® seals the case - with a simple twist of a couple of levers. It's been tested to the toughest international waterproofing standards.