TrekStor i.Beat cebrax RS 1 GB with FM Transmitter Play your favorite music through your car or any other FM radio. Playable file formats - MP3, WMA, WAV; integrated voice recorder 1GB flash memory player holds 16 hours of MP3 and 32 hours of WMA audio "Resume/play precise to the second, direct delete function; intro function, sleep-timer function Mobile data storage device (USB stick), Compatible with Windows, Mac and Linux