Amazfit Helio Strap Activity Bracelet, 24 Hour Sleep & Cardio Tracker, 10 Days Battery, 27 Sports Modes, Weight Training, Hyrox Running, No Subscription Required, Tracker for Android and iOS

Recovery, Redesigned: Train, sleep, and rest with confidence thanks to accurate heart rate, fatigue, and recovery tracking. When worn together with an Amazfit smartwatch, both devices work together with the Zepp App to capture uninterrupted data - whether you're wearing both, or one at a time BioCharge Energy Monitoring: From the moment you wake up after a night of rest, your BioCharge score will adapt based on your daily workouts, activities, and stress levels 24/7 Advanced Health Tracking: Get pinpoint heart rate data while training, and stay informed all day with continuous monitoring of heart rate, blood-oxygen, stress, and sleep - powered by Amazfit’s BioTracker technology Optimized for Strength & HYROX Training: Track reps, sets, and rest periods with precision in the gym. The exclusive HYROX Race mode offers tailored support for race prep 50+ Sports Modes & Post-Workout Insights: Unlock sport-specific tracking and performance analysis including VO₂ max, training load, effect, and recovery time - all through the Zepp App