To provide an oscillating actuator which is capable of easily changing an oscillation start position of a shaft. A method for creating and controlling a location of a virtual microphone near a telecommunication device so as to reduce background noise in a speech signal is also disclosed. The Original Bubble Nails eliminates other forms of drying wet fingernails because it encloses and totally protects wet fingernails in a protective form so wet nails can dry flawlessly. Additionally, the method further includes measuring spectrophotometric absorbance of the sample mixture at a predetermined wavelength of a hemoglobin chromogen formed upon lysing the blood sample, and reporting hemoglobin concentration of the blood sample.