1Superior Performance: With USB and Memory Card slots (Memory Card not included), and can play music and FM radio from an external USB stick or Memory Card. 2Multiple Formats and Memory Function: With memory function and LCD display, easy to operate and use. Support APE FLAC WAV WMA MP3 FLAC lossless format. 3Reminder Function and Easy Switching: Stereo hands free calling. Support switch alert and caller number alert. Support USB, Memory Card, wireless function and FM switch. 4Multiple Function: Support Memory Card and U Disk switch, song selection, volume adjustment, EQ, play and pause, stop, mute, shutdown, direct song selection. 5Premium Material: The bluetooth decoding board is made of PCB+ABS material, durable and sturdy, corrosion resistance, long service life.