Vehicle-mounted earphone call system

A vehicle-mounted earphone call system includes a car charger and a Bluetooth earphone; an earphone position is provided on the car charger and used for placing the Bluetooth earphone; a first magnetic member and two first terminal posts are provided in the earphone position; a second magnetic member and two second terminal posts are provided in the Bluetooth earphone; when the Bluetooth earphone is placed in the earphone position, the second magnetic member and the first magnetic member attract each other, and the two second terminal posts are connected to the two first terminal posts; when the mobile phone is requested to communicate, the Bluetooth earphone is used for answering, the Bluetooth earphone is taken out from the earphone position, and the mobile phone is controlled to answer; when the Bluetooth earphone returns to the earphone position, the Bluetooth earphone controls the mobile phone to hang up.