{"product_id":"smart-health-monitoring-ring-with-wireless-charging","title":"Jack Smart Ring Sleep \u0026 Activity Tracking | ELVYNHEALTH","description":"\u003cp\u003eA lightweight smart ring designed to log sleep, heart-rate, and step information. The supplier listing describes a 3.3 g design, wireless charging, gesture control, and compatibility with Android and iOS.\u003c\/p\u003e\n\u003ch3\u003eOptions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRing sizes: 8–13\u003c\/li\u003e\n\u003cli\u003eRing colors: black, silver, and rose gold\u003c\/li\u003e\n\u003cli\u003eA charging cable is listed as a separate option\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eReview the selected size and color carefully before checkout. Confirm device compatibility and charging instructions in the supplied guide. Tracking information is for general wellness use and is not a medical measurement or diagnosis.\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003e\u003cimg src=\"https:\/\/oss.teemdrop.com\/goods-admin\/2026\/05\/28\/eb52fc61-3aa9-494c-8197-fcc6827a4f29.jpeg\" usemap=\"#_sdmap_3\" style=\"max-width: 100%; height: auto; object-fit: contain;\" alt=\"ELVYNHEALTH — Jack Smart Ring — Sleep \u0026amp; Activity Tracking product information\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003e\u003cimg src=\"https:\/\/oss.teemdrop.com\/goods-admin\/2026\/05\/28\/2ffe6e9f-d523-4a92-a1e8-15999b647395.jpeg\" usemap=\"#_sdmap_4\" style=\"max-width: 100%; height: auto; object-fit: contain;\" alt=\"ELVYNHEALTH — Jack Smart Ring — Sleep \u0026amp; Activity Tracking product information\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003e\u003cimg src=\"https:\/\/oss.teemdrop.com\/goods-admin\/2026\/05\/28\/799c143d-7857-4b2b-ae89-64db163ceb84.jpeg\" usemap=\"#_sdmap_5\" style=\"max-width: 100%; height: auto; object-fit: contain;\" alt=\"ELVYNHEALTH — Jack Smart Ring — Sleep \u0026amp; Activity Tracking product information\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003e\u003cimg src=\"https:\/\/oss.teemdrop.com\/goods-admin\/2026\/05\/28\/77e17cab-9337-4985-90eb-4e33a2364cca.jpeg\" usemap=\"#_sdmap_6\" style=\"max-width: 100%; height: auto; object-fit: contain;\" alt=\"ELVYNHEALTH — Jack Smart Ring — Sleep \u0026amp; Activity Tracking product information\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003e\u003cimg src=\"https:\/\/oss.teemdrop.com\/goods-admin\/2026\/05\/28\/769560e5-2016-429b-a20c-b4b10e19f171.jpeg\" usemap=\"#_sdmap_7\" style=\"max-width: 100%; height: auto; object-fit: contain;\" alt=\"ELVYNHEALTH — Jack Smart Ring — Sleep \u0026amp; Activity Tracking product information\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003e\u003cimg src=\"https:\/\/oss.teemdrop.com\/goods-admin\/2026\/05\/28\/60a7fc2e-698b-4f85-aba5-0b94fedaaeb0.jpeg\" usemap=\"#_sdmap_8\" style=\"max-width: 100%; height: auto; object-fit: contain;\" alt=\"ELVYNHEALTH — Jack Smart Ring — Sleep \u0026amp; Activity Tracking product information\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003e\u003cimg src=\"https:\/\/oss.teemdrop.com\/goods-admin\/2026\/05\/28\/c880acb6-65e6-4295-afc3-1ffee8643356.jpeg\" usemap=\"#_sdmap_9\" style=\"max-width: 100%; height: auto; object-fit: contain;\" alt=\"ELVYNHEALTH — Jack Smart Ring — Sleep \u0026amp; Activity Tracking product information\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003e\u003cimg src=\"https:\/\/oss.teemdrop.com\/goods-admin\/2026\/05\/28\/9b40c15c-352a-4e93-bec0-b87e859222cc.jpeg\" usemap=\"#_sdmap_10\" style=\"max-width: 100%; height: auto; object-fit: contain;\" alt=\"ELVYNHEALTH — Jack Smart Ring — Sleep \u0026amp; Activity Tracking product information\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp style=\"max-width: 100%; width: auto;\"\u003e\u003cimg src=\"https:\/\/oss.teemdrop.com\/goods-admin\/2026\/05\/28\/76ddbcbc-a565-42f6-a369-1e9ffb1d9abd.jpeg\" usemap=\"#_sdmap_11\" style=\"max-width: 100%; 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