Since this console was born (and dies) in China, a 220V power supply that supplies 5V capable of supplying at least 2A is required
… 5V ? 2A ? Does it tell you anything? For example a classic mobile phone power supply? Well yes, this console also works with these products as long as you can convert the original adapter into a female USB
The male connector (on the left in the photo) is of the "barrel jack" type with dimensions of approximately 2.1 x 5.5 x 10mm with CENTER POSITIVE (i.e. the wire that supplies the 5V must end inside the connector while the ground wire must be connected to the external part of the connector); the female connector (on the right in the photo) is a USB port cannibalized by some old expansion cable/hub of which you only need the 5V and GND pins:
Having created this object, you can finally get rid of the heavy and uncomfortable original power supply: