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This is a passive NFC tag built into a wide band ring, not a fitness tracker. It has no battery and no sensors: you tap the ring's chip to the NFC area of a phone to trigger whatever the phone's NFC app is set up to do, such as unlocking the screen, launching an app or sharing a link or contact card. The band is black with polished metallic edges and a single clear stone at the center, and it is rated highly water resistant. It suits people who want a tap-to-act shortcut on their hand and already carry an NFC phone; anyone expecting heart rate, sleep or payment support should look at electronic smart rings instead, which cost far more and need charging.
This smart ring is a wearable that connects to a smartphone through Near Field Communication (NFC). It has an embedded NFC chip and needs no power supply. It is designed to be waterproof. The photos show a wide band with a polished metallic interior and edges and a single small clear stone set in the center of the outer band.
Hold the ring against the NFC area of the phone to unlock the screen, unlock locked apps, or launch apps quickly. It can also send and read business card and URL information. The chip works only with NFC-enabled smartphones.
To set it up, first check that your phone has NFC, usually in the system settings. If you can't find the option, contact the phone manufacturer's support, or search online for your model's NFC area. Turn on the NFC switch, then download and install an NFC-enabled app from the app store. Launch the app and follow its instructions. When reading data, place the top of the ring's chip near the phone's NFC area to avoid read and write failures.
