Bedeutung von “wristband” — Learner’s Dictionary

wristband

noun [ C ] us uk /ˈrɪstbænd/
attach

a piece of material that goes around the wrist (= the part of your body between your hand and your arm), for example to hold a watch

show support

a piece of material in a particular colour that goes around the wrist and shows that the person wearing it supports a certain charity

(Definition von “wristband” aus dem Cambridge Learner's Dictionary © Cambridge University Press)