This device allows to remove the reader part from mounting part and to use it for both external reading and writing. The carrier of the reader is rejected with soft pushing on the button and can be comfortably wear in a pocket. A short USB cable is attached on the rear side and it can be connected with every PC. No extra power supply needed. Card reader works with Windows and Mac's operating systems. The USB-connector between card reader and mounting part make it possible to place it in every PC independent of motherboard or USB adapter.