3 port USB car charger. 2 USB A port, 1 USB-C port. Quick Charge 3.0 port up to 18 watts. USB-C port (15 watts) Standard USB port up to 2.4amp (12 watts) Charge Macbook and other Type-C Laptops. Over-Current, Over-Voltage, and short circuit protection. InstanSense device recognition technology.