Highly Integrated Technology - Anker's Latest Technology Uses A Stacked Design With Custom Magnetic Components Toeduce Size Increase Efficiency And Improve Heat Dissipation. Color White Total Waltage 20w Input 100-240v 0.6a 50-60hz Output 5v=3a/9v=2.22a Works With Most Handheld Devices 20w Output Is Designed To Provide The Maximum Charge To Iphone 12 Space-saving Design At 50% Smaller Than A Standard 18w Iphone Charger Boost Efficiency And Improve Heat Dissipation. This Allows Anker Nano To Support An 20w Max Output Provides More Power While Saving Space In Your Bag Or While Plugged Into A Wall Outlet Charge Iphone 12 And Previous Iphone Models Up To 3× Faster Than With An Original 5w Charger Provide Up To 20w Charging To Most Flagship Phones Including Iphone And Samsung Galaxy S20 As Well As Smartwatches And Earbuds.