VSDHANDA DC Power Supply Adaptor Input AC 100V-240V DC Output 5V 2A Dual Pin Gaming Adapter  (Black, For PS3, PS2, PS4)

Basically, it converts your mains power AC 110-240V AC into a smaller usually DC voltage that your small device needs to operate. Often these are required for charging or powering battery-operated devices. This Dc adapter takes AC input and Gives DC output of 5V and 2 Amp current. It has two different male connectors which makes it more flexible to connect most of the equipment in the market which has similar female connectors.