| 摘要 |
The invention relates to headphones and a method for listening to music or some other audio signal, which headphones comprise at least one sound source such as a an earphone to be placed in the vicinity of the ear, for producing sound, and a galvanic conductor for feeding an electrical signal from a signal source, such as a music player or similar, to the sound source. In accordance with the invention at least one sound source is equipped with means for measuring heart rate, as well as means for forwarding heart-rate information wirelessly. |
