| CPC A44C 5/0053 (2013.01) | 21 Claims |

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1. A wristband, comprising:
a wristband main body, configured to encircle on a wearing body, wherein the wristband main body includes a belt body and an inflatable bag arranged on the belt body, and a release structure is configured in a wall part of the wristband main body that surrounds the inflatable bag and the release structure communicates with an inner cavity of the inflatable bag, to release gas from the inflatable bag; and
an inflating device, provided on the wristband main body, wherein the inflating device includes an inflating component and a driving component, the inflating component communicates with the inflatable bag, and the driving component is configured to automatically move following a move of the wearing body without requiring a user to touch the driving component itself;
wherein the automatic movement of the driving component is generated by a transfer of kinetic energy from the move of the wearing body to the driving component; and
wherein the automatic movement of the driving component following the move of the wearing body generates kinetic energy to drive the inflating component to inflate the inflatable bag.
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