USB 2.0 A Type Male to 5.5 x 2.5mm DC 5V Power Plug Barrel Connector Charge Cable. Provides 5V DC from USB, Power devices from a USB to 5.5MM port. For small electronics and devices which use an 5.5mm barrel jack for a power cable.
Perfect for powering the receiving end of an HDMI balun via the USB port on a TV. Provides 5V power.