Adapter with illuminated icon

An adapter with an illuminated icon, comprising:

• an enclosure, having an accommodating slot, wherein a side surface of the enclosure has a transparent area;
• a circuit module, arranged in the accommodating slot;
• a shielding element, covering an outer side of the circuit module;
• a control module, arranged in the accommodating slot and connected to the circuit module, wherein the control module receives power from the circuit module;
• a backlight module, located on an outer side of the shielding element and connected to the control module, wherein the control module provides power to the backlight module, the backlight module comprises a light-emitting area, and the light-emitting area corresponds to the transparent area;
• and
• a masking element, corresponding to the transparent area and the light-emitting area, wherein at least part of the masking element is transparent;
• wherein the control module controls the backlight module to cause the light-emitting area to emit a plurality of light to irradiate the masking element, and part of the light extends through the masking element and penetrates the enclosure through the transparent area.