Why does my car charger have a sim card in it? Why is there an on/off switch behind the front cover? Dropped it, front fell off, wtf?

https://static.noagendasocial.com/media_attachments/files/111/057/167/621/964/071/original/76846a1446a35cc8.jpg

https://static.noagendasocial.com/media_attachments/files/111/057/167/696/035/228/original/95bb942ed25aab62.jpg