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 AXIS Mobile Key application for access to controlled areas. A USB driver is required for the external reader to work properly. Easy connection via USB Suitable for IP Verso IP force Access Unit Bluetooth Access Commander LTE Verso Access Unit 2.O Bluetooth & RFID and Access Unit 2.O Touch Keypad & RFID