I have a USB powered synth and my son has a USB powered night light and neither has an on/off switch. I've ordered USB switches in the past and they've been flimsy and just died over time. These are well built, the on/off button has a rubber nub so it's closed and has a nice click. Also something really nice is the blue LED that lets you know it's on. The USB cable is nice and thick and it's basically just a USB interrupt and it works great. Make to female USB-A connectors. I'm glad I have it and now I don't have to constantly unplug my son's night light and synth.
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