The tracking device for chewing movements allowing to count chewing movements number. The device comprises at least one Hall sensor and at least one permanent magnet that are installed with ability of mutual displacement in the housing that is implemented at least partially with ability of elastic deformation and with ability to embrace the user auricle or in the form of earphones with an arch. The device also includes the control and information processing unit to process the permanent magnet displacement relative to the Hall sensor when the housing is deformed.
