An external Bluetooth reader connecting to your computer via USB. It can be used to pair new users who want to use their smartphones and 2N® Mobile Key application for access to controlled areas. A USB driver is required for the external reader to work properly.A PIN to pair each user is generated in the web interface of the specific equipment (2N® Access Unit Bluetooth or 2N® IP Verso) or in the 2N® Access Commander software. To enter the PIN into the application, the user must be near the external Bluetooth reader (typically located at the administrator’s PC or with a receptionist) with their smartphone.