The Helio Strap is built for those who train hard and recover smarter. Designed for precision, endurance, and everyday versatility, it delivers industry leading accuracy, extended battery life, and a lightweight, comfortable fit that moves with you. Worn day and night, it captures continuous heart rate every second providing deep health insights without the hassle of subscriptions. More than just a fitness tracker, the Helio Strap is a vital part of your Amazfit ecosystem. Seamlessly integrating with Amazfit smartwatches, the Helio Ring, and the Zepp App, it powers a complete training system designed to help you train with purpose, recover effectively, and repeat with confidence. BioCharge™ energy monitoring to support recovery and peak performance 24/7 Health Monitoring; per second heart rate, sleep, stress, and more 27 workout modes including smart strength training and official HYROX Race mode Free Zepp App for tracking nutrition, sleep, stress and fitness progress Up to 10 days of battery life
