ASUS 100W USB-C GaN ChargerASUS smallest 100W chargerASUS 100W USB-C GaN Charger is the ASUS smallest 100W charger. Featuring gallium-nitride (GaN) technology and boasting one USB-A and two USB-C® ports. this compact accessory is all that’s needed to charge up to three devices simultaneously.GaN TechnologyThe power of GaN technologyGaN. a high-grade semiconductor. has superb electrical transfer properties and produces minimal heat. This allows internal components to be packed closer than ever before. resulting in an extremely compact charger with exceptional performance.