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.