Charge two USB-C devices and a USB Type-A device simultaneously with the 185W GaN PD3.1 USB-C 3-Port Charger. The 1st USB-C port is equipped with Power Delivery 3.1 technology and supports the Apple MacBook Pro MagSafe 140W charging. You may charge your phones, tablets, or laptops at the same time by using the 2nd USB-C port or the USB Type-A port without affecting the 1st USB-C port. The 2nd USB-C port provide up to 45W, good for charging low-powered laptops such as another MacBook Air or Chromebook laptop, and smaller devices. The USB Type-A port is equipped with fast charging for your smartphone devices. The charger also comes with surge, overcharging, overcurrent, and overheating protection, keeping your devices safe.