✅ 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.