Multiple Ports USB 3.0 Hub - - Turns 1 port into 4, Reverse compatible with USB 2.0 or 1.1. Portable for business trip. High Speed Data Transfer Rate- -Super transfer rate up to 5 Gbps (usb 3.0), USB 2.0 up to 480 Mbps. It only takes seconds to transfer the HD movie or large files with multi usb port. Individual ON or OFF power switch- - atolla multiple USB Hub has anti-slip on or off switch for each port without removing the device. With this LED light you can see the working progress of each connected port. Portable Mini Multiple USB 3.0- -The size of this USB adapter is: 10.5cm4.5cm1.5cm, It is very small and easy to put in computer bags. One of the best accessories for you. occupy less space. USB 3.0 Hub Support Hot Swap- - Plug andamp Play, no installation, hot-swappable, compatible with Windows 10 or 8 or 7 or Vista or XP, Mac OSX 10.2 (and above) etc.