Bracelet and detecting device using the same

A bracelet, comprising:

• a first wristband portion arranging a display in a middle portion;
• and
• a second wristband portion connected to the first wristband portion to form a closed loop, the second wristband portion comprising at least one inwardly-bent portion, a distance between the at least one inwardly-bent portion and the first wristband portion is changeable by heating and bending the inwardly-bent portion, the at least one inwardly-bent portion bending a middle portion of the second wristband portion towards the first wristband portion and aligned with the display;
• wherein the first wristband portion comprises two opposite first connecting ends, the second wristband portion comprises two opposite second connecting ends corresponding to the first connecting ends, the first connecting ends are connected to the second connecting ends, respectively, to form overall an elliptic and closed loop.

A detecting device, comprising:

• a display;
• a bracelet comprising:
• a first wristband portion, the display positioned on a middle portion of an outer surface of the first wristband portion;
• and
• a second wristband portion connected to the first wristband portion to form a closed loop, the second wristband portion comprising at least one inwardly-bent portion, a contour of the at least one inwardly-bent portion is capable of changing by heating and bending the inwardly-bent portion so that an inner diameter of the loop is adjustable, the at least one inwardly-bent portion bending a middle portion of the second wristband portion towards the first wristband portion and aligned with the display;
• wherein the first wristband portion comprises two opposite first connecting ends, the second wristband portion comprises two opposite second connecting ends corresponding to the first connecting ends, the first connecting ends are connected to the second connecting ends, respectively, to form overall an elliptic and closed loop.