How to check whether the ID card is magnetic?

1, go to the Internet cafe, and you will know whether there is magnetism with a brush;

2, tourist attractions, some attractions also have ID cards to record passenger information;

3, hotels and hotels are all swiping cards;

4. When you go to the bank to apply for a bank card, you must swipe your card.

ID: Oh, they have computers. You can see your information and photos by putting your ID card on it. Or go directly to the police station and ask the staff to look at your ID card.