A wearable device including a touchscreen; a wireless communication unit configured to communicate with an external terminal including an electronic wallet (SE, Secure Element), the external terminal wirelessly linked with the wearable device; and a controller configured to receive a preset user gesture, receive information relating to an account of the electronic wallet (SE) from the external terminal in response to the preset user gesture, display the received information on the touchscreen, and process an NFC (Near Field Communication) payment using the information displayed on the touchscreen.