Clinical Research Directory

Inclusion Criteria: * Participant is ≥ 22 and ≤ 80 years old * Participant understands the study requirements and is able and willing to provide written informed consent * Participant is without significant limitation in ability to participate in the study, in the opinion of the investigator * Participant owns a smartphone with a data plan and be the primary user of the smartphone; smartphone must be compatible with the applications used in the study * Participant is a US Resident Exclusion Criteria: * Participant has tremor or significant life-threatening arrhythmia * Participant is allergic to nickel or metal jewelry * Participant has a known severe allergy to polyester, nylon, or spandex * Participant has a known allergic reaction to adhesives or hydrogels * Participant has a tattoo covering the area where the watch face would rest on either wrist * Participant has planned international travel during the study