ZUS is a smart car finder and USB car charger. It charges up your mobile devices at their max speed and finds your car with the companion iOS/Android app. Say good-bye to time-consuming searches for your car at the mall, stadium, outdoor event or a busy neighborhood. ZUS comes with a one-year warranty and we provide friendly customer service that can be easily reached seven days a week. For optimal use, your original cable or a third-party certified one (such as MFi).