The contact area of charging is 3*3mm, and the distance between the center of two dots is 6mm.Please measure the distance between the magnet charging port of the toys before purchasing.(Measurement methods：Measure whether the distance between the center point of two magnet charging ports is equal to 6mm or (0.24In) Please make sure your toys distance between the center of two dots is 6mm(0.24In). This usb magnetic charging cord is made of pure copper core,which make it more durable and safer. The diameter of the magnet on the charging cord is 3mm, and the center distance between the two magnets is 6mm(0.24inch).
