Mobile POS device with the ability to accept bank cards through mobile phones with Android or iOS operating system in a small size with a suitable screen, and also with a keyboard and PED can be provided to facilitate electronic payment services. In addition to its small size, which facilitates its use by the user, this device also benefits from extremely high security. This device is one of the products of LYNX Hong Kong. By focusing on providing new solutions in the electronic payment industry, this group always aims to be known as a leading group in this industry by providing products that fit the needs of the market as well as benefiting from an experienced staff in after-sales services.