You need to find the manual and/or figure out how to get inside it.
If you’re lucky it’ll have something akin to a standard bulb in it and you can swap it.
If you’re unlucky it’ll be just a circuit board in a pretty box and the whole thing is basically disposable, as even most electronics nerds wouldn’t have the patience or correct parts on hand to bother fixing it.
You need to find the manual and/or figure out how to get inside it.
If you’re lucky it’ll have something akin to a standard bulb in it and you can swap it.
If you’re unlucky it’ll be just a circuit board in a pretty box and the whole thing is basically disposable, as even most electronics nerds wouldn’t have the patience or correct parts on hand to bother fixing it.