USARADIO.NET is a free application with the favorite stations of each National State of USA
Keep listening to the radio even if you use other apps or lock your mobile. You can set an alarm to wake up with the radio station that you like the most.
It is not necessary to connect the headphones, it is also heard through the mobile speakers. You can listen to USARADIOS.NET abroad. Share the link of the app on your social networks.

NOTE:
A 3G/4G or Wi-Fi internet connection is required to synchronize the stations.