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1.Scan the product QR code to download the app (Apple or Android, free). 2.Register and skip the pop-up window.You will only use the application for NFC programming. 3.Scan the product QR code and click 'OK' to attach.Program Google URL Business card search business, and save. 4.Please use the ID code on the card for registration: a combination of letters and numbers.if you don't know how to use,please contact us,thank you!

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