This usb hub cable is a 2 in 1 adapter for iMac series laptops pc: 1.4 port USB 3.0 hub with 5.0Gbps fast speed which is 10times than USB2.0,while at the same time maintaining full backwards compatibility with USB 3.0/1.1/1.0 devices 2.Convenient OTG(On The Go)function provides a convenient and simple smart phones or tablets host replacement of PC to view picture,listen to music,data transform from flash drivers,edit files with keyboard and mouse 3.It features power and activity LEDs on the top, so you can always know the status of your connections Specification 1.Add 4 USB 3.0 ports to your PC with LED light,DC 5V for power 2.Backward Compatible to USB 2.0 and USB 1.1 3.Transfer rates of up to 5Gbps 10X faster than USB 2.0 4.Support multiple keyboard, mouse and flash drive to your micro USB 2.0 OTG devices, like Samsung I9250 9100 9220 P7500 P7510,Note 2 N7100, LT261 XT910, NEXUS 7, Nokia 810 5. Plug-and-Play, hot-swap compliant 5.Cable Length:80cm Notes 1.This product is not intended to charge iPads/tablets 2.This hub need extra power if you connect a external 3.0 hard drive, power adapter is not included in the package. 3.For DC 5V/2A adapter,please search ASIN:B00QV5Q5HU in our store 4.OTG function is available for Android phones built in OTG function Package Contents Ugreen 20292 4 Port USB 3.0 HUB with Micro USB 2.0 OTG cable x 1 Warranty Card x 1 12 Months warranty with manufacturer lifetime service and support