This was exactly what I was looking for, a device that can move multiple USB devices between two different computers. The kit includes a USB KVM switch and 2 USB cables to connect to two different devices. At the back of the KVM switch, connect the two included USB cables, one to each of your computers (or other devices), then at the front of the KVM switch, you can connect up to 4 USB devices that you want to share . There is a button at the top that you press to move all 4 USB devices either from computer 1 to computer 2 or from computer 2 to computer 1. I plugged in a front USB port and it works fine. There's a micro-USB power delivery option, which I recommend if the devices you're plugging into the front need extra power. This works with USB 2.0 ports. So if you don't have USB 3.0, don't worry!
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