The EP300 Series provide the safest and powerful security class of PCI PED 3.1 for various mobile payment environments. For this purpose, it comes in a compact, simple and slim design. Reflecting the latest IT trends, the design is functionally and esthetically compatible with smartphones, tablets and mobile computers through Bluetooth. Moreover, for functional customizing, the displays are differentiated per price based on the presence of LCD and use of Contactless. Design also can be customized by Window Color variation. The manufacturing made to the customer's business environment and taste allows users to have unique business experience.