Joke Collection Website - Blessing messages - Why is there a short message service fee for the credit card of China Construction Bank?

Why is there a short message service fee for the credit card of China Construction Bank?

Transaction reminder SMS, generally RMB above 500 yuan or overseas trading banks will send SMS reminders for free; For transactions below 500 yuan, as long as the SMS reminder function for small transactions is enabled, you will also receive SMS reminders in real time. The service fee is 3 yuan per month. If you have mobile banking, you can get transaction information through consumer notification, which is free.