TrackR bravo helps you locate any lost item such as lost keys, lost wallet, lost phone, lost purse, lost anything using your iPhone or Android  Press the app will guide you to the location of your lost item using a distance indicator. You can also ring your lost item to help track it.  TrackR bravo works both ways! If you can&#39;t find your lost phone, you can press the button on the device to ring your lost phone.