Features 1、Lightweight Design: Made with stainless steel, durable, and elegant in appearance. Ultra lightweight ring only about 5g, for a comfortable wearing experience. Thin and light, you may even forget it's there. 2、Multi Functions: The smart ring has various functions such as temperature monitoring, fitness, sleep tracking, and step counting, allowing you to monitor your health data at any time. 3、Fitness Companion: Besides health monitoring, this ring also serves as a fitness tracker, accurately recording your daily step count to help you stay active. 4、Waterproof: With its deep waterproof feature, this smart ring can accompany you in all your water activities, including swimming and showering. 5、Meaningful Gift: The smart ring makes a meaningful gift option for any occasion or holiday, such as birthdays, anniversaries, Thanksgiving, Christmas, or Valentine's Day. Item Type: Smart Health Ring Material: Stainless Steel, Electronic Components Ring Battery Type: Lithium Battery (Shipped with) Ring Battery Capacity: 18mAh Ring Battery Life: Approx. 3-5 Days Ring Charging Time: 60 Minutes Package List 1 x Smart Health Ring 1 x Charging Cable 1 x User Manual