【Advanced Health Monitoring】 Track your heart rate, blood pressure, and sleep patterns with precision. Stay informed about your health 24/7 with real-time data. 【Multi-Sport Modes & Activity Tracking】 Perfect for fitness enthusiasts! Monitor steps, distance, and calories burned with built-in pedometer. Supports multiple sports modes for comprehensive workout tracking. 【Smart Notifications & Convenience】 Never miss important calls or messages with call/message reminders. Control music, set alarms, and receive app notifications (SMS/QQ/WeChat/Facebook/WhatsApp, etc.). 【Long Battery Life & IP67 Waterproof】 Enjoy 4-5 days standby time and 2-3 days of continuous use. IP67 waterproof rating protects against sweat and rain (not for swimming). 【Compatibility & Package】 Works with Android 4.4+ and iOS 8.4+. Includes 1x smart bracelet and user manual. 【Note】 This is a consumer electronic device, not a medical tool. For optimal use, download the "DayBand" app and authorize necessary permissions.