This product is the Anker 523 (also known as the Nano 3) 47W power adapter. Charging ports: It has two USB-C ports for charging two devices simultaneously. Power: It delivers fast charging up to 45W when using one port, or a combined 27W + 20W power output when using both ports. Compatibility: It is compatible with a wide range of devices, including iPhones, Android phones, iPads, and MacBooks. Technology: It utilizes GaN technology to deliver high power in a small, compact form factor.