Please Note: This product's charging adapter is rated at 140W. Since the USB-C ports on MacBook Pro 14-inch and 16-inch models support up to 100W charging power, and the USB-C ports on MacBook Air 13-inch and 15-inch models support up to 70W charging power, please switch to the Magnetic 3 cable if you require 140W charging support 140W Fast Charger140W USB-C Power Adapter provides a high charging efficiency of up to 99%, and has a stable output current, allowing you to meet the charging needs fastest in any scene and any place, no matter it is Laptop or tablet or mobile phone, one device solves all charging problems