duō, a compact handheld sales and payment device for the Retail and Hospitality industries. Until now, no convenient portable solution has offered Point-of-Sale and multiple secure payment technologies in one device. Its unique two-sided architecture allows sales to be entered on one side, and payments processed on the other. Separating the two core functions ensures that the Point-of-Sale side remains open-architecture, whereas the payment side remains compliant to financial (PCI) standards. duō knows no boundaries. Sales and payments can now be made anywhere on the shop or restaurant floor improving the customer experience and increasing sales for the business.