A device that transfers power to smartphones, tablets and myriad portable devices. USB chargers plug into an AC outlet and provide a USB Type A or Type C socket to cable DC power to the device.

It accepts a Micro USB A or Micro USB B plug. See Micro USB and USB OTG. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.

But don’t worry, there’s always a plan B. If your TV’s USB port isn’t up to the task, these streaming sticks often come with ...