If you read SlashGear's review of the Terratec NOXON iRadio, you'll remember that one of the key criticisms of the WiFi radio was its dependence on a mains power ... comes with a cable allowing ...

But the radio in question needs 12 volts, so the key was to find a USB-C cable with the built-in electronics to negotiate the right amount of power from USB-PD devices.

Tips on wall-wart power supplies and leftover 6′ cords. Feb 1, 2008 12:00 PM, By John Landry, CSRE. Wart remover. The wall-wart power supply is a common problem. These are more common than ever ...