Train smarter, recover better, and move with purpose using the Amazfit Helio Strap. Engineered for peak performance, this lightweight, water-resistant strap offers 24/7 health tracking, including heart rate, sleep, blood oxygen, and stress monitoring—without subscription fees. BioCharge energy monitoring keeps tabs on your daily vitality, while 27 sports modes and HYROX Race Mode help you push your limits. Seamlessly integrated with the Zepp App and Amazfit ecosystem, it delivers post-workout analysis, real-time insights, and AI-powered recovery recommendations. With up to 10 days of battery life and 5 ATM water resistance, the Helio Strap is built to keep up with your training—day and night. Pair it with Amazfit smartwatches or the Helio Ring to create a complete, uninterrupted fitness and recovery system. 24/7 Health Monitoring – Track heart rate, sleep, stress, SpO , and more with BioTracker.. BioCharge Energy Insights – Understand your body's energy levels throughout the day.. 27 Workout Modes – Includes HYROX Race Mode and strength training auto-recognition.. Post-Workout Analysis – Get precise data on VO max, recovery time, and training effect.. 10-Day Battery Life – Train longer with extended battery power and no interruptions.. Made in USA