CHARGE FOUR DEVICES SIMULTANEOUSLY: Four USB ports (including one USB-C) charge up to four devices at once. Compatible with iPhone, iPad, Android devices, smartphones, tablets and Type-C devices HIGH SPEED CHARGING: Smart IC technology auto-detects your device’s input to always charge at maximum speed (5.4A max, up to 3A per port) INCLUDES USB-C PORT: Features one USB-C port so you can charge Type-C devices at high speed (15W) INTERNATIONAL ADAPTERS: Slim design with international adapters for EU, UK, US & Canada MACBOOK CHARGING LIMITATION: USB-C Port will NOT re-charge a Macbook or Macbook Pro when the device is in use. Will allow slow charging of a Macbook or Macbook Pro while asleep and will reduce battery drain while in use.