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