If you're using our Predictive Fatigue Monitoring Solution and the Bluetooth-enabled Readiband 4, go here for all the latest help articles.
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The Readiband is fully waterproof and can be worn in the shower and during any activity, including swimming and scuba diving. It can also be worn at high altitudes, and through airport security. In order for the Readiband to provide meaningful reports, you should wear it all the time.