Features: brand new and high quality The USB data hub helps expand pc usb port from 1 to 4, greatly protects the usb port from connecting and disconnecting frequently. and comes with a usb cable, long enough to fit the hub as needed. No driver is required, hot-swappable, plug-and-play, positive and negative plugs. The usb 3.0 hub supports super fast data transfer up to 5gbps-10 times faster than usb 2.0 (480 mbps), transfer for hd movies in seconds. And it is for usb 2.0 and 1.1. Compatible operating systems: Windows7/windows8/Windows8.1/for windows XP/for windows vista/Chrone-OS/for Mac/Linux. Support mobile hard disk, mouse, keyboard, card reader, U disk, mobile phone charging, etc. Specifications: Product material: transparent PC Output interface: usb3.0 (theoretical speed: 5Gbps) Input interface: Micro usb3.0 Size: approx. 96x43x14mm/3.78x1.69x0.55in Indicator light: blue light led indicator Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1PC x 1 to 4 USB Hub