Features 1. Heart Rate Monitor: You can set time to do the regular monitoring, and choose single or continuous monitor. Low power consumption with highly precise. 2. Blood Pressure Monitor: Easy to measure with a single click. 3. Blood Oxygen Saturation monitoring: Tap on blood oxygen saturation monitoring to start the measurement, the watch will vibrate to upon measurement completion. 4. Good Life Assistant: Sedentary reminder and sleep monitor cares for your health. 5. Water-resistance: Great companion throughout your adventures, perfect choice for outdoor activities. 6. Multi-function Sport Modes: Multi-sport mode includes running, biking, swimming, and walking etc. 7. App Language :English, Portuguese, Spanish, French, German, Russian, Turkish, Hebrew, Italian, Polish, Arabic, Thai, Simplified Chinese, Traditional Chinese, Japanese 8. Band Language: Chinese, English, Japanese, French, Italian, German, Portuguese, Greek, Dutch, Polish, Russian, Turkish Specifications 1. Display: 1.28 inch IPS screen 2. Resolution: 240 x 240 3. Memory: RAM 256KB+ ROM 1MB 4. BT: BLE 5.0 5. Compatibility: Android 5.1 iOS 9.0 or later 6. Built-in Battery: 200mAh 7. Battery Life: 4-10 days 8. Sensor: HRS3301 heart rate sensor 9. Waterproof Level: IP68 10. Watch Band: Fit for 150-200mm wristbands 11. Size: Diameter 44mm x thickness 11mm