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Rolsen RBM-522  is perfect for taking along to the beach, the office, jobsites or even in your car. A built-in FM tuner lets you catch up on the news, check the weather, or take in your favorite morning show while you get ready for your day. MP3/WMA files can be played easily from USB-flash or SD/MMC cards. The 3.5mm audio line input jack allows you to plug in external devices to play your music through the speakers on this system. The clock radio features a large, easy-to-read LED display with blue light.

A built-in speaker and built-in handle make this super easy to take on the go wherever you want to have some tunes.

File formatsMP3 
USB playback
SD card playback
Tuner typedigital 
FM Radio frequency range87,5-108 mHz 
Front speakers power2 W 
Earphone jack (3.5 mm)
USB port
SD slot
Power suplyDC 5V/220/240 W 50/60 Hz , removable battery BL-5C 
Detachable Lion battery
Weight, kg0.25 
Weight, kg0.3 
Dimensions device, cm13 x 8 x 3 
Dimensions in eduplace, cm20 x 9 x 4 
SetUSB cable/ removable battery BL-5C