I spliced a JST connector (https://www.amazon.com/pairs-Plug-Connector-Battery-Female/dp/B0089RAXB2) on the end of the LED wires and added a USB connector. It's plugged into a 5v cell phone charger plug like this https://www.amazon.com/Charger-Adapter-Samsung-Smartphones-More-White/dp/B01DBR0FHQ/ref=sr_1_8