About the product Our port USB car charger contains metal. It can output current that can be automatically adjusted according to the connected device, protecting the device from overcharging and current damage. Its usage is very simple: 1. Plug the plug of the car charger into the car lighter socket. 2. Turn on the power and connect the device to be charged to the USB port of the charger with a USB cable. And it is small in size, easy to carry and store, and does not take up too much space. Product name: Port USB Car Charger Product composition: metal Keywords: Car charger Weight: 40g Product specifications: 1pc Product size: 7*4cm Note: Light reflection and different displays may cause the color of the product in the picture to be slightly different from the actual product. Minor errors are allowed in measurement.