USB 2.0 Type A Male To 5.5mm x 2.1mm Plug 5V DC Power Supply Adapter Connector
Provides 5V DC from USB,Power devices from a USB to 5521 port. USB 2.0 A Type Male To 5.5x2.1mm DC power Plug. For small electronics and devices which use a 5.5 2.1mm barrel jack for a power connector.