[Features] External USB2.0 seven port hub with built-in current protection device, effectively protecting the connected equipment and HUB itself. USB2.0 data cable power supply, optional with USB to DC power supply to enhance current, ensuring that high power consuming devices can also work simultaneously. Supports USB 2.0 to serial interface settings, with a theoretical peak transmission speed of up to 480Mb/s, and downward support for USB 1.1. Separate LED blue light display, supporting hot swapping, no need to install driver, plug and play. [Specification] Communication interface: USB2.0 Number of interfaces: 7/4 Chip: High speed 2.0 chip Switch: 7/4 independent switches Special: 7/4 LED display lights Color: Black/White [Notes] Please use and maintain the product correctly to ensure its performance and normal operation. 1.When unplugging the adapter plug from the power socket, please...