How do you use a SumUp card reader?

Say hello to the ultimate payments duo. Charge, tap, print with the SumUp 3G Card Reader and Printer bundle. The SumUp 3G comes with a built-in 3G SIM card, free, unlimited data and Wifi connectivity. So you can take payments wherever you are. Pair it with the SumUp 3G Printer and get a charging station, a printer and a stylish cradle fit for any business.
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