An easy-to-use, portable contactless card reader perfect for small shops, taxi drivers, salons, barbers and other small businesses. * Works together with the free SumUp App. * Connects via Bluetooth to your smartphone or tablet. * Makes up to 500 transactions on a single charge. Let your customers pay the way they want! The SumUp air reader is compatible with contactless payments, Google pay and Apple pay as well as chip and pin.