| 摘要 |
A sound wave guide channel is opened into watchcase (2) in direction of microphone, for reception of sound waves by microphone. An audio guide is fitted with a second open sound wave guide channel. The audio guide is formed in one of the ends of a bracelet (3), in direct contact with the external surface of lateral wall (12) of case, across an area (13) extending on either side of aperture, to guide sound waves towards first channel. |
