1・ high speed usb 3.0 4 port hub・ each interface transmission speed of up to 5 gb / s with this usb 3.0 distributor can be up to 4 usb devices to your system support. you may continue your existing usb 2.0 and usb 1.1 devices to operate. no driver install is needed.<br />2・ each port with a separate switch・ energy saving and environmental protection; each port with a power display・ the use of more convenient.<br />3・ with 60 cm long usb3.0-datenkabel・ easy to transport and easy to use;<br />4・ multi band 1 usb smart ladeanschluss・ installation 2a / 1a automatic adjustment chip・ in accordance with the demand for smartphones and other devices tax big / small power;<br />5・ for the external mains reserved・ when a large usb device at any time with an external power supply is connected to supply needs to be increased.<br />6・ extended 4 port usb3.0-schnittstelle・ fast ladeanschluss.<br />7・ supports windows xp・ macos 10. x・ is a free usb 3.0 anschl?ss on computer system.<br />notes:<br />to ensure maximum performance of usb3.0・ your computer・ peripherals・ cable and software to achieve the all usb 3.0 support. if a usb 2.0 port connects・ it will only in the speed of usb 2.0 only.<br />some usb3.0 devices and 2.4g wireless devices (wireless mouse・ keyboard・ etc.) requires a direct connection to the host usb 3.0 and 2.0 ports・ might not these hub compatible.<br /><br />Package Included:<br />1 x 4 port usb 3.0 hub<br />1 x eu power supply