Track daily wellness and fitness without the distraction of a screen. This lightweight smart bracelet monitors heart rate, blood oxygen, HRV, sleep quality, stress, steps, calories and activity data, then syncs the results to a compatible mobile app through Bluetooth.Choose from more than 100 sports modes to record workouts and everyday movement. The bracelet can continue collecting data when disconnected from the phone and automatically updates the app after reconnecting.Its breathable woven band is designed for comfortable all-day and overnight wear. Silent vibration alerts can support alarms, reminders, calls and message notifications without producing sound.The built-in 180 mAh rechargeable lithium-polymer battery charges in approximately two hours and provides extended use, with up to 47 days of standby time depending on settings and usage.IP68 water resistance supports everyday exposure to sweat and water. The screen-free design, simple app connection and subscription-free features make this bracelet suitable for fitness, sleep and general wellness tracking. | Core Tech | | Screen-Free Smart Fitness Bracelet with Heart Rate, SpO2, HRV, Sleep and Activity Tracking | Black | Best Buy