An apparatus for fingerprint scanner that is secure, mobile and small as half of a business card. The apparatus will be capable of interacting with all smart phones, tablets and PCs. The apparatus will be as standard USB HID device for PC yet for any smart phone or tablet the apparatus will use the audio jack interface as the interface. The apparatus will stare and manage not the actual image of a fingerprint but a binary template according to ISO 378 templates thus no application can get a raw fingerprint image data. The apparatus will be able to camper the finger print to a pre-determine binary fingerprint thus serve as a biometric authentication device or serve as a portable micro-fingerprint scanner.