Luna Ring Smart Ring Gen 2 Midnight Black Grösse 7

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. Measure 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.