With the PerfectPro UBOX 500R you can listen to your favorite music during every job. This FM and DAB + construction radio is shock, rain, dirt and dust resistant. This allows you to listen to your favorite radio station regardless of the situation. Not in the mood for the radio? Then stream music via Bluetooth or play MP3, WMA or AAC files via the USB input. Thanks to the 3-inch Big Magnet speaker of 7 watts every music sounds clear. Don't have a power outlet at your disposal? Use the radio wirelessly with the 6 AA NiMH batteries. When the batteries are used up, they are automatically charged when the radio is connected to the mains.