Product Features1， high-speed USB3.0 4-port HUB， each interface transmission speed up to 5Gb / s;2 HUB each port with a separate switch， energy saving and environmental protection;3 HUB each port with a power indicator， the use of more convenient;4， with 60CM long USB3.0 data cable， easy to carry and easy to use;5， multi-band 1 USB intelligent charging port， built-in 2A / 1A automatic adjustment chip， according to the demand for smart phones and other equipment control large / small current supply;6， reserved for external power connector， when using a large USB device at any time can be connected to an external power supply to increase power supply.Product parametersProduct Type: RXY-112U3Product Features: Extended 4-port USB3.0 interface， a fast charging interfaceSupport system: WIN XP / 7/8