The mobile communication device is for use as a cell phone, as a wireless identity authentication device with other electronic devices (with cell phones, computers, and ATM's), and as a headset in the form of an earphone, an eye-covering, or a head covering for audio communication with a central processor, another mobile terminal a cell phone, or a pda. The mobile communication device is hands-free being worn on or near the face, and only requires a finger touching for bimodal identity authentication. An audio receiver is compatible with the ear of the user and a microphone transmits words spoken by the user, electronically therethrough. A fingerprint sensor is mounted and positioned within the device. When user authentication is required, the user is prompted to touch the fingerprint sensor, and said fingerprint data is compared with fingerprint images of authorized users. In another aspect of the invention, mobile communication device is an eye-covering, a head covering, or an identification badge including a fingerprint sensor and a processor and is used for wireless authentication of the user.