Upper port - USB Type-A: Offers a massive 3A 'quick charge'. Some devices such as iPads and laptops are now requiring greater than 2.1A or 2.4A to ensure they are properly charged. This car charger supports Quick Charge 3.0 technology, allowing you to quickly charge your devices up to 4x faster than standard charging methods and will not only increase charging speed, it will also ensure that even the most power hungry devices are properly charged.
Lower port - USB Type-C: Type-C charging ports are now found on the latest smartphones, tablets, MacBooks, Google Chromebooks, and laptops. USB Type-C is the dominant charging format for todays electronic devices.