1、Durable: Smart health ring is made with stainless steel and epoxy, providing a sturdy and elegant design that withstands daily wear and tear. 2、Smart Health Monitoring: Equipped with various functions, including real time heart rate, body temperature, and blood oxygen monitoring, allowing you to track and monitor your health at any time. 3、Activity Tracking: Doubles as a fitness ring, keeping a record of your daily step count, providing motivation and insights into your active lifestyle. 4、Comfortable: The light, small bluetooth health tracker ring for all day continuous tracking, durable and adapt to most fingers. 5、Meaningful Gift Choice: Makes for a thoughtful gift for any occasion or holiday, such as birthdays, anniversaries, Thanksgiving, Christmas, Hanukkah, or Valentine's Day. Item Type: Smart Health Ring Material: Stainless Steel, Epoxy Battery Type: Lithium Ion Battery (Shipped With) Battery Capacity: 20mah Battery Life: 3-5 Days Charging Time: 30 Minutes Protection Level: IPX7 1 x Smart Health Ring 1 x Charging Cable 1 x Charging Case 1 x Lanyard 1 x Instructions