-Port USB Hub: Instantly USB 2.0 hub to any compatible device. 4-port USB splitter supports most commonly used USB devices, such as U disks, , , card readers, keyboards, mp3 players, etc. Easy to Use: Individual power switches enables to easy connect and disconnect your USB devices. Does everything you need a USB splitter to do. Easily handles three-four connections with no degradation in throughput. Power Status Display: Separate indicate power status for each port. Just plug the USB hub into the USB port of the laptop and plug in other USB devices. Remember to turn on the power for each USB port in use. Compatibility: Compatible with Windows xp, 7, 8, 10, 11, Vist a/Mac OS X 10.2 and Higher/Linu x/Unix. (The USB 2.0 hub reverse compatible with USB 1.1) NOTE: This USB hub not meant to serve as a stand-alone charger, but merely expands the computer's USB interface. It may not be able to power high-power-demand devices such as tablets. Compatibility: Compatible With Windows Xp, 7, 8, 10, 11, Vist A/Mac OS X 10.2 And Higher/Linu X/Unix. (The USB 2.0 Hub Reverse Compatible With USB 1.1) Power Status Display: Separate Indicate Power Status For Each Port. Just Plug The USB Hub Into The USB Port Of The Laptop And Plug In Other USB Devices. Remember To Turn On The Power For Each USB Port In Use. Easy To Use: Individual Power Switches Enables To Easy Connect And Disconnect Your USB Devices. Does Everything You Need A USB Splitter To Do. Easily Handles Three-four Connections With No Degradation In Throughput.