DP Audio Video USB SD/MMC MP3 Wireless In Car FM Transmitter with Remote (Black) Supports USB Flash Drive, SD/MMC Card, and Line-in Function Car cigarette socket power supply (12V or 24V DC Power) Fully adjustable joint Infrared Remote Control Supports USB Flash Drive, SD/MMC Card, and Line-in Function, Car cigaretter socket power supply (12V or 24V DC Power), Fully adjustable joint, Infrared Remote Control