World's Smallest 66W GaN Charger. Powered by Gallium Nitride (GaN) technology. More Power, 2X Smaller. New GaN semiconductor technology is 50% smaller, charges faster, and more efficiently than traditional silicon-based chargers. International Converters For Travel. Includes EU, UK, AU pin converters and worldwide universal 100V - 240V voltage so you can charge in virtually any country. Protect Your Charger & Devices. Keep your devices safe with industry-leading over-current, over-voltage, overheating, and short-circuit protection. Highly Efficient and Stays Cool. Lab-tested, industry-leading 95% power efficiency and low temperature operation (60ºC exterior).