1.5M AMI Interface USB Charger AUX 3.5mm Audio Music Adapter Cable for Mercedes Benz Package includes: 1x Music Media Interface USB AUX AMI Cable for Benz Length: AUX = 150cm , USB = 50cm Material: High Quality Gold plated Jack & ABS Housing, Original trip Instructions: AUX and USB charging can't use at the same time, if you want to charge, must pull the AUX line, if you want to AUX, must pull the charging line Please make sure your car and if there is a corresponding socket, not everyone has a socket