What if you lost your phone? You can whistle and find a phone that will respond on a whistle of a pre-programmed melody. There are a large number of applications in order to find the phone whistle. It is enough to download and run others to make sure that only our turns on a soft whistle and does not respond to others, loud and different from whistle sounds, allowing you to quickly find a gadget. Never find a forgotten phone so easy. So you can be late, spending precious minutes and not find it