Whether lounging at the pool or multitasking on-the-go with San Francisco you can seamlessly switch between listening to music and taking calls. These practical ergonomically-shaped earphones don't just look cool they also fit perfectly. And to add more functionality to the mix there's the in-line remote with a built-in mic and a PTT button for managing calls and music or activating Siri. Thanks to the flat cable you can say goodbye to the annoying tangles and knots other corded earphones are infamous for. Compatible with devices in all shapes and sizes (Android iOS and Windows) San Francisco delivers a rich sound with crisp highs.