Bank cards with chips have been washed by the washing machine. If the cards are not damaged, they can probably be used after drying. Under normal circumstances, you can still continue to use it. The bank card used is one of the most common magnetic stripe cards. The magnetic card has high-strength temperature resistance, wear resistance and moisture resistance, and will not be easily damaged. After being washed by the washing machine, it can be used in a cool and ventilated place and dried.
it will only be degaussed if it is placed with objects with strong magnetic field for a long time. Under normal circumstances, bank cards and smart phones can't be degaussed together, because smart phones are more wrapped and mostly have built-in speakers. In order to save internal space and make concessions for batteries and other functions, the speaker is also made very small.