CURRENT PROTECTIONThe built-in current protection device can protect the connected equipment and the HUB itself in case of sudden power on providing stronger durability and reliability. HIGH SPEED Support USB 3.0 to serial port interface settings transmission speed up to 5Gb/s and support USB 2.0 and USB 1.1 downward; no need to install drivers plug and play. WIDE APPLICATIONSupports high-bandwidth peripherals such as USB 3.0 disk drives high-resolution cameras video surveillance cameras digital video cameras and multi-channel audio. EXTENSION CORDEnvironmentally friendly PVC cover good toughness not easy to break after long-term use no deformation when bent USB extension cable effectively solves the problem of interface damage! MAIN FUNCTIONData transmission and power supply are carried out through the USB 3.0 data cable and four high-speed USB 3.0 interfaces can be quickly added to your computer.