Call me stupid, call me technically challenged, I just purchased this Wireless car charger for my samsung propel, and the thing is blowing my mind, the isntructions say to plug it in as normally would be, but when you unplug my phone is still showing that it's charging, in fact, when I went inside my house, and the charger was in the car the phone still showed that it was charging,, Can someone explain exactly how this thing works,

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