That's a special card. It's for people over 70. Free ride, so the credit card does not show the balance.

Wuxi pos card swiping points include: general card (gently), student card, senior card (over 60 years old), special card (over 70 years old) and employee card (bus worker). When swiping a card, the machine will have a voice prompt. Ordinary people are Puka (citizen card), and they get a 60% discount according to the amount of coins invested. Students and senior citizens will be deducted every time.