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Amazon.com: Smart Ring, No Charge and Depth Waterproof Universal Wear Smart Ring, Magic Wearable Device Universal Ring for Mobile Phone, NFC Smart Rings(size9) : Electronics
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Smart Rings Market Size to Grow by USD 27.69 Million; The Multiple Applications of Smart Rings to Drive Growth - Technavio
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Iqibla Tasbih Smart Ring, Islamic Gift, Muslim Wedding Gift, Islamic Beads, Muslim Gift Idea, Subhanallah Allahuakbar Ring, Islamic Ring - Etsy
![found on a field in southern Bosnia and Herzegovina. Circle like shape. Looks like it was housing some sort of mechanism at one point. Made of metal, that is greenish. : r/whatisthisthing found on a field in southern Bosnia and Herzegovina. Circle like shape. Looks like it was housing some sort of mechanism at one point. Made of metal, that is greenish. : r/whatisthisthing](https://preview.redd.it/found-on-a-field-in-southern-bosnia-and-herzegovina-circle-v0-dz70iyyonkwb1.jpg?width=640&crop=smart&auto=webp&s=b7f57b946a126e9f2625975789bd771e9700ae29)
found on a field in southern Bosnia and Herzegovina. Circle like shape. Looks like it was housing some sort of mechanism at one point. Made of metal, that is greenish. : r/whatisthisthing
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Smart Ring, Waterproof Ceramic Ring, Universal Wearable BT Connection Health Tracker for Mobile Phone, Sports Ring with Heart Rate Monitor, Sleep Monitor, Temperature, Blood Oxygen (Black No. 19) : Everything Else - Amazon.com
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