Wrist-worn device

A wrist-worn device, comprising:

• a device body;
• and
• a wristband, wherein the wristband comprises:
• a band body comprising two detachable ends;
• an installation part provided on the band body;
• and
• a memory metal wire in a shape of a long strip extending along a length direction of the band body, wherein
• the band body is provided with a first installation cavity;
• the installation part is provided with a second installation cavity communicated with the first installation cavity, and the device body is provided in the second installation cavity;
• the memory metal wire is provided in the first installation cavity and passes through the second installation cavity;
• the memory metal wire is configured with a memory state of being annular in a natural state, so that the band body naturally maintains an annular shape, and the wristband naturally maintains a wearing state;
• and
• the device body is provided with a positioning groove extending along the length direction of the band body, and the memory metal wire is correspondingly installed in the positioning groove.