HUAWEI Watch D - WATCH D packs a high-performance ECG sensor module, which provides: single-lead ECG measurements, real-time analysis, sinus rhythm, atrial fibrillation, and premature atrial and ventricular beat reminders - Daily check-in tasks cover a wide range of lifestyle issues, including blood pressure, heart rate, track with sleep, SpO2, 24/7 Stress monitoring, Skin Detection as well as 70+ Workout Modes, making healthy living a seemingly automatic routine - The HUAWEI WATCH D is packed with a long lasting battery up to 7 days so you can enjoy your day to day and focus on your lifestyle - With 70+ workout modes to choose from, feel free to step outside your comfort zone, or simply run, row, jump rope, or pedal away to your heart's content - HUAWEI WATCH D packs intricate blood pressure components, like a mini pump and airbag, into