Interface USB SD to Car audio, it is a replacement ... CD changer's installation and usage, Simply plug in USB disk/SD card, you can play audio through car ... Mersedes Nissan Suzuki etcl For after market radios: Clarion ,Alpine M-bus,Alpine AI-NET, Blaupunkt, Sony, Sanyo, Panasonic, Pioneer ... 20HZ-20KHZl Working Temperature : -10C- 80C Car MP3 interface USB SD(Digital music changer) for RD4 Citroen Peugeot