The second generation of the Luna Ring comes with a new battery charging case that powers the ring independently from the power grid for up to 30 days. Luna is the only smart ring with a personal AI coach. No more guessing about your health. Consult Luna to learn more about your body. It measures subtle changes in your heart rate, skin temperature, and blood oxygen levels to provide you with a comprehensive analysis of your body's physiological state. Receive recommendations to improve your health—hyper-personalized to your needs. Track light, deep, and REM sleep phases to enhance your nightly rest. Weighing only about 4 grams and made from materials including titanium, the Luna Ring offers a battery life of up to 5 days on a single charge. It is also waterproof up to 50 meters.
The second generation of the Luna Ring comes with a new battery charging case that powers the ring independently from the power grid for up to 30 days. Luna is the only smart ring with a personal AI coach. No more guessing about your health. Consult Luna to learn more about your body. It measures subtle changes in your heart rate, skin temperature, and blood oxygen levels to provide you with a comprehensive analysis of your body's physiological state. Receive recommendations to improve your health—hyper-personalized to your needs. Track light, deep, and REM sleep phases to enhance your nightly rest. Weighing only about 4 grams and made from materials including titanium, the Luna Ring offers a battery life of up to 5 days on a single charge. It is also waterproof up to 50 meters.
in 21 offers
The lowest price for right now is , compared across 5 retailers.
Luna Smart Ring Gen 2 Health Sleep Tracker Titanium Size Midnight Black
The second generation of the Luna Ring comes with a new battery charging case that powers the ring independently from the power grid for up to 30 days. Luna is the only smart ring with a personal AI coach. No more guessing about your health. Consult Luna to learn more about your body. It measures subtle changes in your heart rate, skin temperature, and blood oxygen levels to provide you with a comprehensive analysis of your body's physiological state. Receive recommendations to improve your health—hyper-personalized to your needs. Track light, deep, and REM sleep phases to enhance your nightly rest. Weighing only about 4 grams and made from materials including titanium, the Luna Ring offers a battery life of up to 5 days on a single charge. It is also waterproof up to 50 meters.
The second generation of the Luna Ring comes with a new battery charging case that powers the ring independently from the power grid for up to 30 days. Luna is the only smart ring with a personal AI coach. No more guessing about your health. Consult Luna to learn more about your body. It measures subtle changes in your heart rate, skin temperature, and blood oxygen levels to provide you with a comprehensive analysis of your body's physiological state. Receive recommendations to improve your health—hyper-personalized to your needs. Track light, deep, and REM sleep phases to enhance your nightly rest. Weighing only about 4 grams and made from materials including titanium, the Luna Ring offers a battery life of up to 5 days on a single charge. It is also waterproof up to 50 meters.
The all-time low was $499.00 on 2 Nov 2026. That's the lowest price we've ever tracked — a great time to buy.
Prices last updated 2 Nov 2026.
Last updated at 02/11/2026 23:01:35
Luna Gen 2 Midnight Black Smart Ring - Size 13
Delivery between 6–11 Nov $15.55
Luna Smart Ring Gen 2 Health Tracker Titanium Midnight Black - Size 13
Free delivery between Wed – Thu
Luna Smart Ring Gen 2 Health Sleep Tracker Titanium Size 13 Midnight Black
Free delivery
Luna Smart Ring Gen 2 Health Tracker Titanium Midnight Black Size 14
14-day returns
Luna Smart Ring Gen 2 Health Tracker Titanium Midnight Black
60-day returns
| Metal | Silver, Titanium, Rose Gold |
| Department | Unisex |
| Brand | Natura |
| Size | 6, 7, 9, 10, 11, 12, 13, 14, O/S |
| Material | Rose Gold, Silver, Titanium |
Luna Gen 2 Midnight Black Smart Ring - Size 13
Delivery between 6–11 Nov $15.55
Luna Smart Ring Gen 2 Health Tracker Titanium Midnight Black - Size 13
Free delivery between Wed – Thu
Luna Smart Ring Gen 2 Health Sleep Tracker Titanium Size 13 Midnight Black
Free delivery
Luna Smart Ring Gen 2 Health Tracker Titanium Midnight Black Size 14
14-day returns
Luna Smart Ring Gen 2 Health Tracker Titanium Midnight Black
60-day returns
| Metal | Silver, Titanium, Rose Gold |
| Department | Unisex |
| Brand | Natura |
| Size | 6, 7, 9, 10, 11, 12, 13, 14, O/S |
| Material | Rose Gold, Silver, Titanium |
