When your mobile runs out of juice give it a boost with the juice universal car charger simply attach the usb cable to the appropriate connector then attach the connector to the car charger plug the other end into your mobile and chargethe charger has 6 universal connectors making it great to keep in the car to charge devices for the whole familycompatible with iphone micro usb devices mini usb devices sony ericsson k750 nokia n70 2mm samsung g600