A vehicle charger includes an insulating housing defining a connecting hole in a rear end thereof and receiving holes thereon. The connecting hole and the receiving holes communicate with the outside. A printed circuit board is fixedly received in the insulating housing. A positive assembly mounted in the insulating housing and electrically connecting with the printed circuit board has a pin passing through the connecting hole and stretching out of the insulating housing. A negative assembly assembled in the insulating housing and electrically connecting with the printed circuit board includes pressing buttons fabricated in the receiving holes respectively. The pressing button protrudes out of the receiving hole partially. A USB interface assembly and an earphone interface assembly are configured in the insulating housing and electrically connect with the printed circuit board respectively. The earphone interface assembly has an inclined end for mating with a chargeable plug of an earphone.