*USB2.0 SD MMC interface with high speed transfer
*read MP3 files on the USB flash disk or SD/MMC card directly
*draw power from car cigar socket 12V/24V DC power
*full frequencies (more than 200 frequencies, 87.5Mhz-108Mhz), 0.1Mhz gap between channels
*transmit music from external audio player (CD, MP3 player etc. )
*remember the last frequency, track number and volume when restarting