Large capacity 180mAh lithium polymer battery, long standby time up to 30 days and 7-10 days battery life on a single charge. Strong compatibility with iOS 9.0/Android 5.0 or later smartphones. New 2022 Smart Watch with a high-definition touch screen (240 x 280 resolution), improved touch response speed and vibrant color display. Customizable dial with existing or uploaded pictures, 4-level brightness adjustable for clear reading even under strong light. Multifunctional with fitness tracker (pedometer, calories, distance), 24/7 heart rate, blood oxygen, blood pressure and sleep monitor. Tracks deep, light sleep and awake time for comprehensive health data analysis via app. Full touch screen with practical functions: call/SMS/APP message notifications (Instagram, WhatsApp, Facebook, Messenger), music/camera control, weather display, sedentary reminder, alarm clock, stopwatch, find watch and phone. 24 sports modes (walking, running, cycling, yoga, etc.) with GPS connected for precise speed and distance tracking. IP67 waterproof rating, suitable for daily activities. Well-designed detachable wrist strap, soft, lightweight and breathable for comfortable wear.