Shungite is an electrically conductive mineral, and this property is the reason it is often mentioned in conversations about electromagnetic fields (EMF) from phones, computers, and household devices. The Amazonka bracelet is made of shungite, so it carries that same material association. Many people who are interested in shungite choose to wear it as a bracelet because of this connection between the stone and modern screen-heavy environments.
At the same time, these ideas come from traditional and popular use rather than from proven medical or technical evidence. The product information describes shungite's conductivity as a reason the mineral is discussed in connection with EMF, but it does not state that the bracelet blocks, absorbs, or reduces EMF. In other words, wearing it is a lifestyle choice, not a protective measure. It is not a medical device and is not intended to diagnose, treat, or prevent any condition.
If you are concerned about EMF, practical habits such as keeping phones away from your body when not in use, taking breaks from screens, and using wired accessories remain the most straightforward steps. The bracelet does not replace those habits.