The study examines opinions of preservice teachers on their acceptance of the use of mobile technologies for teaching purposes. This study is a phenomenological research. Semi-structured interviews were held with 4 preservice Turkish teachers and 4 preservice Science teachers selected by criterion sampling method. The resulting themes related to opinions of the preservice teachers on their acceptance of the use of mobile technologies for teaching purposes are as follows: "Perceived Usefulness and Ease of Use," "Intention of Use and Attitude Towards Use," "Social Effect," "Individual Competencies," "Integration in Educational Environment" and "Innovation."