This Wall Charger with USB 2.0 Power Delivery and Quick Charg 3.0 technology will charge your USB Type-C device at a faster rate than ever before*. The charger supports USB 2.0 Power Delivery, which maximizes existing USB functionality by providing more power to compatible devices. No wrong way to plug it in Because of its reversible plug, there's no wrong way to attach a USB Type-C connector. Unlike its predecessors, it connects whichever way you try to plug it in… there's no right side up or upside down. Know that it's charging The red ring turns on when the device is charging and turns off when the charge is complete. What is USB Type-C? USB Type-C is positioned to become a universal standard, replacing and doing all the work of USB connections that came before it. USB Type-C is backward compatible How do I know which USB charger or cable to purchase? Trying to visually determine the correct USB connector may result in error. To ensure the correct USB connector is selected, please consult your device's online or hard copy user manual. If you need a cable to join a USB Type-C device and a non-USB-Type-C peripheral, also determine the port type of the peripheral device.