USB isolation USB 3.0 USB Isolator Module High Speed Plastic Disconnect Switch 480M USB-USB-3.0 DC5V 500MA

It is used when there are many USB devices connected to the computer, which can reduce the mutual crosstalk between the devices;
For devices with high USB power supply requirements, such as sound cards, the use of a USB 3.0 isolator can reduce ground loop noise and make the music output by the sound card clearer.