Note: Use of the product, the USB-C charger must meet two conditions: 1. PD charger with 65W or more 2. Output voltage and current: 20V/3.25A or 20V/5A. Before ordering, please check the PD charger you are using to make sure that the specifications say [20V/3.25A or 20V/5A] and that the power of the USB-C port is at least 65W. or above. Apple and USB port chargers are not supported Troubleshooting: 1. When the LED flashing: it means that the charger is running out of voltage. Use 20V 65W or higher USB-C charger. 2. Phone and Pad Charger DOES NOT WORK: Most phone chargers will not work with this cable because there is no 20V output or less than 65W. 3. LED does not light: Accessories (cable or charger) may not meet the requirements. Try another 20V/5A 100W charger. If it still doesn't work, please contact seller Premium Materialr: FASTelectric This USB Type C adapter is made of premium metal material to provide more efficient thermal radiation, so you dont have to worry it will ho