LED Indicators: Green LED indicating the active PC1 and blue lights show you the PC2 is working. The indicator light is not dazzling at night, so it will not disturb your working or sleeping.
Application: This 4 in 4 out USB 3.0 Switcher allows one button toggle between 4 computers to share 4 USB 3.0 peripheral devices without constantly pull cables or set up complicated network sharing software. Support for wireless mouse and mechanical keyboards.