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  1. 2025 NFC Smart Ring Health Activity Fitness Tracker Heart Sleep For iOS&Android

    Say goodbye to fumbling for keys or cards—just tap the ring to enter. 【Better Connectivity & Compatibility】Easily pair the smart ring with the free app via Bluetooth. System: For Android 5.1 or above, F o r IOS 8.0 or above.

    eBay

  2. Multifunctional NFC Smart Ring NFC Finger Ring for Android Phone Men

    With NFC function, And confirm the cell phone NFC signal area. The ring has a built-in NFC chip. You need to bring your own NFC to use it. (4) Since NFC is a near-field communication, when reading any task, make sure that the ring chip is located in the NFC signal area close to the phone, otherwise it may cause normal reading and writing.

    eBay

  3. 2024 Smart Ring Fitness Tracker Health Heart Rate Sleep Monitor For Android IOS

    Sleep monitoring: of 24-hour sleep information. Health monitoring / 24-hour continuous heart rate monitoring / Continuous 24-hour blood oxygen monitoring:Support. Heart rate alert / Blood Oxygen Alert:Support.

    eBay

  4. Wearable Connect NFC Smart Ring NFC Finger Ring for Android Phone Men

    With NFC function, And confirm the cell phone NFC signal area. The ring has a built-in NFC chip. You need to bring your own NFC to use it. (4) Since NFC is a near-field communication, when reading any task, make sure that the ring chip is located in the NFC signal area close to the phone, otherwise it may cause normal reading and writing.

    eBay

  5. Smart Ring for Samsung Galaxy Heart Rate Blood Oxygen Tracker Men Women 2024

    Upgrade your lifestyle with the2024 Smart Ring, built forSamsung Galaxy users and compatible with Android & iOS. A perfect fit for fitness lovers and tech-savvy users. 💡 Revolutionise Your Routine with Smart Wearable Tech.

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  6. Smart Health Ring Fitness Tracker Heart Sleep Tracking For iOS Android Size 7-13

    System Compatibility:For Android 5.0 and above;For I0S10.0 and above. 【Long - lasting Battery】In order to extend the battery life of the smart ring, we have specially prepared a beautiful charging case that allows the ring to last for an astonishing few weeks of use.

    eBay

  7. COLMI R10 Smart Ring Sleep Health Tracker IP68 Waterproof For iPhone / Android

    COLMI R10 Smart Ring with Charging Case. Waterproof: 5ATM / IP68. Model: R10. Compatible: iOS / Android. 💍 Sleek & Functional Smart Ring. 📊 Key Health Features 💧 Built for Daily Life.

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  8. NFC Smart Wearable Finger Ring Health Fitness Tracker Heart Rate Sleep Tracker

    MAGNETIC CHARGING: Experience efficient charging through a powerful magnetic coil design. 50M AND IP68 WATERPROOFING: Enjoy peace of mind with 50M and IP68 waterproofing standards, allowing you to wear the Fitness Activity Ring while showering, swimming, or washing your hands, combining style and functionality for any occasion.

    eBay

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