| 摘要 |
<p>The invention relates to radio-engineering. The invention increases the operational reliability and serviceability of the inventive label. In the first embodiment, the inventive audio label comprises a message reproducing unit provided with a loud speaker and a key. Said label is also provided with the second key which is closed by an external action. One end of the string for fixing to an object is linked to the first key, thereby allowing the first key to be closed when the string is drawn. In the second embodiment, the audio label comprises second and third keys and also a control unit.</p> |
