In-Car MP3 Player & Wireless FM Radio Transmitter for USB Flash Drive & SD Card with 12V Lighter Plug Easy to use, plug & play design Blue backlit LCD screen for easy viewing of song information and transmitting frequency Plays MP3s from any USB flash drive Accepts SD cards up to 32GB (SDHC compatible) Audio in jack allows you to connect your iPod, portable DVD player, CD player, laptop computer, or portable gaming console