Fast and Efficient Charger: Get the excellent possible charging performance with the advanced GaN Technology. It dramatically improves the charging efficiency up to 90%. It fully charges a Macbook Pro 14 in just 1.5 hours, iPhone 15 in 1.5 hours. [ONLY support USB-C port, if the charger does not charge your device, try another USB-C port device to see if it works] Compact and Efficient: GaN technology not only enhances charging efficiency, but also reduces the charger's size by 50% compared to standard 60W chargers. It is an ideal choice for international traveling.