APPS2Car Car Stereo Digital Music Changer USB SD AUX Adapter Auxiliary Input Mp3 Interface for Nissan Murano 350Z Maxima Pathfinder Almera Navara Note Patrol Qashqai X-trail Primera Built in high quality MP3/WMA decoder.Supports Mp3/WMA files of 8Kpns-320Kbps.Built in Amplifier chips.No singal interfere,no battery required. USB Port and SD card port support control music files by your car radio panel or steering wheel.Support USB 2.0 stick,SD card,SDHC,MMC,TF card up to 32GB. AUX port support most device with 3.5mm AUX function,such as iPod,iPhone,Android Phone,Blakberry,Widows Phone,Mp3,Mp4,PSP,etc.But only support audio input,not support control music files by your car radio panel or steering wheel. Support 99 folders,each folders can read 99 files.But most OEM stereo can only support 6-9 folders. PLUG & PLAY - Direct connection via CD changer port with CD sound quality. Connect the yellow wire to a 12V positive constant power source, and connect the red wire to the acc wire.