摘要 |
A cup-like container made of one or more of a plurality of materials. A sensor unit is provided for sensing a conducting current caused by a specific resistance depending on a state and component of contents that are filled into the container. A circuit unit is provided for storing melodies and sound selected by a user. A power source is provided. A speaker is placed in an inner portion of the container and adapted to use a thin metal piece as part of a vibration device. In this manner, the user is informed of the sate or component of the contents by issuing at least one of music, melody and voice, which are stored in the circuit unit and desired by the user, through the speaker according to a signal from the sensor unit.
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