Yes, Hilo Core Band can be worn on either wrist. Just make sure you wear the cuff on the opposite arm for calibration, then always wear the band on the same wrist.
disclaimer: “The FAQ is intended as supplementary guidance only and does not replace the Instructions for Use (IFU), User Manual, or Quick Start Guide. In case of any inconsistency or conflict, the IFU, User Manual, or Quick Start Guide contact support.”