Smart Bracelet ECG Heart Health Analysis 24hour Sleep Monitoring Blood Oxygen Body Temperature Tracker 3ATM Watch. ECG Heart Health Analysis: Features high-precision 500HZ ECG chip for accurate heart health monitoring and HRV analysis. Long Battery Life: 180mAh battery provides 25-30 days of use time and up to 60 days standby time. IP68 Waterproof Rating: Dust and water resistant design suitable for daily wear and various weather conditions. Comprehensive Health Tracking: Monitors blood oxygen, body temperature, blood pressure, sleep, and menstrual cycles. 120+ Sports Modes: Supports extensive exercise tracking including distance, calories, and steps for 120+ activities. Smart Reminders: App controls medicine, sedentary, water intake, and exercise reminders for better health habits. OEM/ODM Customization: Accepts logo branding, custom packaging, and SDK/API development for private label solutions. Global Certifications: Products approved with CE, EMC, LVD, RoHS, MSDS, UN38.3, and BIS certifications.