High-speed Charging:The 40W USB C Charger Block with dual 20W USB-C ports, Single port maximum output 40W. Charge your iPhone and Apple Watch to 60% in just 30 minutes, which is 3X faster than the original 5W iPhone charger Powered by GaN+ Technology:GaN+ technology enhances charger performance, achieving superior power density and efficiency compared to traditional silicon-based models. Yields compact, lightweight designs with minimized energy loss, optimized energy utilization, and decreased heat generation