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 19 offers
The lowest price for Luna Smart Ring Gen 2 Health Sleep Tracker Titanium Size Lunar Black right now is , compared across 5 retailers.
Luna Smart Ring Gen 2 Health Sleep Tracker Titanium Size Lunar 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 $357.05 on 7 Oct 2026 — today's price is 26% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 3 Nov 2026.
Last updated at 03/11/2026 06:39:30
Luna Smart Ring Gen 2 – No Subscription Fitness & Sleep Tracker Ring with AI Health Insights, Heart Rate, Recovery & Activity Tracking, Up to 6 Day
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Luna Smart Ring Gen 2 | Advanced Health Tracker | No Subscription Lunar Black / 7
Free delivery
Luna Gen 2 Matte Black Smart Ring - Size 13
Delivery between 6–11 Nov $15.55
Luna Smart Ring Gen 2 Lunar Health Tracker Titanium Black - Size 13
Free delivery between Thu – Fri
Luna Smart Ring Gen 2 R Health Tracker Titanium Black
Delivery $9.99
| 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 Smart Ring Gen 2 – No Subscription Fitness & Sleep Tracker Ring with AI Health Insights, Heart Rate, Recovery & Activity Tracking, Up to 6 Day
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Luna Smart Ring Gen 2 | Advanced Health Tracker | No Subscription Lunar Black / 7
Free delivery
Luna Gen 2 Matte Black Smart Ring - Size 13
Delivery between 6–11 Nov $15.55
Luna Smart Ring Gen 2 Lunar Health Tracker Titanium Black - Size 13
Free delivery between Thu – Fri
Luna Smart Ring Gen 2 R Health Tracker Titanium Black
Delivery $9.99
| 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 |
