Your Health in One Place...Health ID is a simple-to-use mobile health manager that syncs automatically with our Health ID Bands and Cards. Perfect for adults and children! You or a loved one can easily add and update medical information from any smartphone, tablet, pc or laptop with Health ID Profile's unique patent pending mobile health manager. Our users can decide what information is to be viewed instantly in a medical emergency. Medical personnel can instantly view your information from any smartphone, tablet, PC or laptop by entering your unique HIP Code (located right on your Health ID product) at healthid.com OR with a simple "tap" from any NFC smartphone. Update basic profile information, any medical condition, medications, emergency contacts that can be quickly dialed from the emergency summary screen, to managing chronic illness such as high blood pressure or diabetes with glucose entry and trend tracking. Medication reminders by text or email will help assure that you take your medications as prescribed. MRI's, EKG's, X-Rays and lab results can also be uploaded and stored in your profile. Your information is stored securely on our cloud based platform and our Bands and Cards are waterproof with NO battery or charging necessary. Additional information: Adjustable to fit wrist sizes 6 - 8.75 inches Durable and designed to wear 24/7Fully waterproof - wear it in the shower or when you go swimming No battery or charging required Specs : Uses NFC (Near Field Communication) that works with a "tap" from most Android, Windows & Blackberry smartphones Your emergency information can ALWAYS be viewed instantly by entering the HIP Code (located on each product) at healthid.com from any smartphone, computer or tablet.