B8 Smart Bracelet for Women Men, Fitness Trackers Bracelet, Sleep Tracker Health Bracelets,Smart Band Activity Watchs

Full Product Description (From the manufacturer)

Built-in sensors monitor your heart rate, HRV, blood oxygen saturation , and stress level 24/7. Unlike premium trackers that lock advanced health data behind paywalls, our app gives you full access for free. This fitness watch for Android and Iphone offers comprehensive health monitoring, including activity tracking, blood oxygen, HRV (Heart Rate Variability), stress levels, and sleep monitoring. It helps you track your health data 24/7, including sleep stages and quality. The fitness tracker supports 12 sports modes, including running, cycling, swimming, hiking, and fitness, covering both indoor and outdoor training needs. Track your data easily via compatible apps..syi