The U4 Ultra Rugged Digital Jobsite Radio is a task-specific radio designed to withstand the punishments of remote jobsite conditions that resists water, dust and shock. This radio features High -Performance AM/FM NOAA weather reception with its digital PLL tuner and dynamic bass compensation for richer bass. The U4's automatic alert warns you of hazardous conditions, keeping you and your family prepared. Includes 10 preset stations (5 FM - 5 AM), 7 NOAA weather channels, dual alarms with snooze function, adjustable sleep timer, AUX-In Port for your MP3, iPod/iPhone, large backlit LCD display to ensure excellent visibility, and both clock and radio display. You can connect your favorite streaming device to the U4 with its Built-in Bluetooth Technology Version 4.1 Class II Wireless Audio Streaming to bring your device to life with the great sound that the U4 offers.