It is a solution to receive credit card payment using a smartphone. You can easily process credit card payments and cash receipt issuance by connecting your smartphone and credit card payment terminal (security authentication IC payment terminal) using Bluetooth (wireless). * characteristic 1. IC card processing available. 2. Credit card payment and cancellation 3. Issuance and cancellation of cash receipts 4. Transaction history inquiry 5. Can be interlocked with external APP * How to registe