If a friend living in the city should have experience, in addition to the Octopus, there are other cards that can be sensed in the wallet.

card. When the results of the whole card into the card take forced MRT, train station, bus or vertically, even induction

Not your card! This is the result of RFID mutual interference. RFID anti-theft wallet is based on this principle,

RFID anti-theft is added in the design, and mutual interference through RIFD makes the scanner unable to scan

With the function of the card, there is no need to worry about the theft of credit card information!