Smart Ring for Women & Men Fitness Sleep Heart Tracker No Subscription, 5-Day Battery, Heart Rate, Stress, Sleep & Activity Monitoring, IP68 Waterproof, iOS & Android Compatible

[Comprehensive Health Insights] This smart ring is a comprehensive health tracker that monitors daily activity, sleep quality, heart rate, heart rate variability (HRV), and stress levels. With multiple sports modes and dedicated female health cycle tracking, this elegant smart ring for women provides holistic wellness insights. [Comfortable to Wear] The smart ring for women or men is made of titanium steel, making it lightweight and durable. It is suitable for all-day wear and appropriate for all occasions, including at home, in the shower, at the gym, and while sleeping.

Compared to bulky smartwatches and fitness trackers, it is lighter and more comfortable, making health monitoring easy and convenient. [Battery and Charging] The smart ring provides up to 7 days of use on a single charge. The portable charging case provides about 10 full charges, supporting continuous health monitoring for up to 60 days. Compatible with Android / iOS smartphones. [Size] Before purchasing, use the Sizing Kit to determine the most comfortable and suitable size for your finger