With just one tiny charger, you can charge your phone, tablet, and MacBook thanks to the Anker Nano II's power. features full speed fast charging for the MacBook Air and can charge iPhone models up to three times faster than the original 5W charger. Compact Design: The Anker Nano II is 59% smaller than the original 30W USB-C charger, but it still provides the same amount of power. GaN II Technology-Powered: With a 20% higher operating frequency, a more creative and effective design, and an improved architecture, GaN II technology makes our most recent charger smaller and more power-efficient without compromising performance.