9 Acoustic apparatus for reproducing sound, namely, audio speakers; wireless earphones; data readers being acoustic devices for data processing apparatus, namely, biometric earphones with an optical mechanical sensor; electronic components in the nature of anti-noise filters; apparatus for amplifying sound, namely, audio amplifiers; apparatus for wireless transmission of acoustic information; apparatus for controlling the processing of data, namely, biometric earphones; apparatus for data collection, namely, biometric earphones; apparatus for information processing, namely, biometric earphones; apparatus for wireless transmission of acoustic information; apparatus for measuring temperature, namely, earphones embedded with a tetanic temperature sensor; apparatus for processing data, namely, biometric earphones; apparatus for receiving data, namely, biometric earphones; apparatus for sensing movement, namely, biometric earphones; apparatus for telephone communication, namely, earphones; apparatus for the acquisition of data, namely, biometric earphones; apparatus for the acquisition of information, namely, biometric earphones; apparatus for the conversion of data, namely, biometric earphones; computer application software for smartphones, namely, software for displaying data from earphones, for use in database management of data, and for use in electronic storage of data; audio apparatus, namely, earphones; data processing software; biometric earphones; detection apparatus, other than for medical use, namely, biometric earphones; digital data receiving apparatus, namely, biometric earphones; digital data transmission apparatus, namely, biometric earphones; computer application software for mobile phones, namely, software for distance measuring and distance recording; tri-axial accelerometers; earphones; earphones for recording apparatus; electronic blood oxygen saturation data recorders other than for medical use; electronic display apparatus, namely, electronic display boards, plasma display boards, electronic display screens for use with exercise equipment; instruments for measuring speed, namely, biometric earphones; pedometers; physiological measuring apparatus, namely, biometric earphones; sensors for real time data output apparatus, namely, biometric earphones