The SARUNN ER Smart Ring offers comprehensive health monitoring, tracking key metrics like heart rate, sleep quality, and exercise data for various activities. Its long battery life of up to 5 days, lightweight design, and 90-meter waterproof capability make it perfect for daily use and intense workouts. Plus, there are no subscription fees, giving you lifetime access to its impressive health tracking app. Enjoy a comfortable, stylish, and advanced solution for your wellness needs with this smart ring.
Price last updated Nov 19, 2025 17:50:15 UTC. Availability and price subject to change. More info
