Eterbank is not in the hardware business, one of the advantages over regular Point-of-Sale's is that additional hardware is not needed, since EterPOS can be downloaded to any smartphone or tablet.
Once a business downloads the EterPOS app and registers as a business with the necessary verification they can start accepting crypto easily through their tablet or smartphone, once again even though they can now accept crypto their are fully paid in FIAT as if they were using a traditional payment processing service.