The PCIC55 is a must-have accessory for using your smartphone and listening to music on your bicycle, motorcycle, jetski, ATV - any vehicle exposed to the elements. Just put your smartphone in the case, connect the headphone jack: you've instantly waterproofed your smartphone! Best of all, you can still listen to music and control your phone while it's in the case. It's completely compatible with touch-screen phones, and the internal headphone jack allows you to connect your headphones on the outside of the case without breaking the waterproof seal.