Lofta's Circul Sleep & Fitness Ring is the perfect accessory for any fitness enthusiast. It tracks your sleep, heart rate, and daily activity. With its sleek design and comfortable fit, you'll never want to take it off. The ring also comes with personalized coaching, helping you reach your fitness goals faster. With the Circul Sleep & Fitness Ring, you'll have all the data you need to stay in shape and get the restful sleep you need.