Designed for speed and power hungry devices! Supports USB PD3.1 fast charge charger. The GaN (gallium nitride) technology offer efficient conversion for multiple high-power output port, it increases the charging efficiency up to 90%, also the latest GaN Tech make the  Wall Adapter smaller in size and lower temperature in operation without sacrificing a drop of power, taking up less space and keeping your desk tidy while charging your phone, tablet or laptop at the same time with lightning speed.