When you are traveling Korea, Korean transit card such as T-Money, Cashbee, Hanpay, Rail-plus or M-Pass is necessary.
This card is very convenient but it is prepaid card. So, you have to check the balance to avoid embarrassing situation on getting bus or subway.

▶ How to use
- Just enable NFC read/write mode
- Tap your card on back of your phone
- You can see the basic information of card (Balance, Transaction history)