Multi USB Port Expander - The 8-port usb hub features 6 usb 3.0 data transfer and 2 quick charging; 6 usb 3.0 data transfer ports that make it easy to connect multi usb devices to a PC or laptop simultaneously, Perfectly solves the problem of insufficient ports for PC or laptops Smart-Charging Ports - This usb 3.0 hub provides 2 charging dedicated ports with Quick Charge 3.0 technology + BC 1.2 technology. You can charge your phone, tablet and more.Using a 12V/3A power adapter for power supply can provide the fastest charging speed, allowing you to reduce waiting time