The future of health on full display Measure your blood oxygen level with a revolutionary sensor and companion app. Heart rate monitoring available anytime, anywhere. Sleep tracking and other health insights to keep you healthy from head to toe. Smartring provides more health insights at a glance and allows readings of your health management data. The ultimate fitness partner Set exercise goals and monitor realtime data during workouts, including heart rate zones, steps, calories, and distance. ways to train for your . Running, cycling, swimming, and more — Smartring has a workout for it in the enhanced Fitness app. With Workout Views, you'll see more advanced metrics at a glance to stay motivated and keep going strong. Battery life and charging Quick 0.5 hour charge, 3–5 days of usage on a single charge. Ultralow power consumption main control chip greatly extends battery life, so you can go longer between charges. Designed for extended wear on days out or on backpacking trips, reducing concerns about battery life. Support and help If you have questions, go to Orders in the upper right corner to view your past orders. Tap Sold by Fusong EU under the product name on the page, then select Ask a question. Choose I need assistance with an I placed, tap Write message, and send your request by email. We aim to respond within 24 hours to provide prompt and reliable support.