About this item Support USB over expansion and network connection A Signal USB port is extended up to 3 USB ports and 1 network interfaces. Comply with USB 3.0/3.1 specification and down compatible USB 2.0/1.1 standards. Support intelligent charging and fast charging function, can be used as multi charging for iPad, iPhone, Android and other devices while charging. Support Win XP, 7, 8, 8.1, 10, Vista, Linux, Mac OS and other system environment. Low power consumption, low working temperature, working stability.