The smart high capacity 4 port USB wall charger is a light and compact simple device that replaces up to 4 charging bricks and charges with retractable plugs, freeing up messy wall outlets. The Smart High Capacity 4 Port USB Wall Charger’s rapid and high speed charging is compatible will all Apple and Android devices. Its sophisticated circuit design and anti-fire ABS material protects it from over heating, over current and over charging.