The WTRS is a one-of-a-kind, easy to use, stylish emergency pendant, allowing users to easily switch between wearing a necklace or as a wristband, all without any hassle. Our unique, patented One-Click Necklace/Wristband Switch takes less than 5 seconds and very easy to use. The WTRS has a long battery life and fully waterproof. The WTRS offers increased peace of mind for the user and their loved ones.