Mobile phone recharge card.

Credit cards can be used to buy mobile phone recharge cards, because mobile phones are the most practical necessity for everyone's daily life, and they do not involve any risks, and they are more valuable.

Mobile phone recharge card is a dial-up recharge card issued by China Telecom, China Unicom and China Mobile to facilitate people to recharge their mobile phones or telephones. The specific operation process has a recharge prompt on the back of the card. Scratch off the password, follow the above prompts to dial the corresponding number step by step, enter the recharge card number and password according to the voice prompts, and hang up the phone after the recharge is successful.