code: def minor_device_class(self):
          
          minor_device = []
          minor_lookup = BTCoD._MINOR_DEVICE_CLASS.get(self.cod &
                                                       BTCoD._MAJOR_DEVICE_MASK,
                                                       [])
          for i in minor_lookup:
              minor_value = self.cod & i.get('mask')
              minor_device.append(i.get(minor_value, 'Unknown'))
          return minor_device
docs: Return the minor device class property decoded e.g.,
          Scanner, Printer, Loudspeaker, Camera, etc.