This creates a kind of rhythm of the heart band, it includes the first telescopic segment and the second telescopic segment, first and second telescopic segment system is connected with each other, and the second telescopic segment further comprises having inner ring surface and outer ring surface, being sticked on inner ring surface again has conductive fabric, then group is equipped with sensor on outer ring surface, user assembles through conductive fabric and the second telescopic segment, and the elastic telescopic having, the conductive fabric for the inner ring surface that skin can directly or indirectly be contacted will not be frayed, scratch skin, in addition to this can more extend according to the figure of user, shrink its length.本創作一種心律帶，其包括有第一伸縮段及第二伸縮段，第一、二伸縮段係相互連接，而第二伸縮段進一步包括有內環面及外環面，又在內環面上貼設有導電布，在外環面上則組設有感測器，使用者透過導電布與第二伸縮段的組配，以及具有的彈性伸縮，讓會直接或間接接觸肌膚的內環面之導電布不會磨傷、刮傷肌膚，除此之外更可依照使用者之身形而延展、收縮其長度。
