Here's a breakdown of its features:

Male DC Power Jack Connector: This connector has a male configuration, designed to be plugged into a corresponding female jack.

Push-Button: The presence of a push-button suggests that this connector is equipped with a switch mechanism. This can be used to control the flow of power or trigger certain actions in a circuit when the button is pressed.

2-Pin Terminal: The connector has a 2-pin terminal, indicating there are two electrical connections. Typically, this will be one positive (+) and one negative (-) terminal for carrying DC power.

5.5x2.1mm Size: The dimensions of the connector indicate an outer diameter of 5.5mm and an inner diameter of 2.1mm.

Functionality: The push-button functionality is likely used for turning on/off or momentarily interrupting the power supply. This can be useful in applications where you want manual control over power flow.