From SMH:

A bracelet worn by high profile sports stars that claims to improve athletic performance has been exposed as a sham by the consumer watchdog.

The Australian Competition and Consumer Commission (ACCC) has ordered Power Balance Australia to refund all customers who feel they were misled by the supposed benefits of Power Balance bracelets.

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Power Balance acknowledged it had breached the code and said the relevant claims had been removed from its website.

PowerBalance ordered to admit its product is a sham and to refund the money of everyone who ever bought it.