1. ECG, ECG+PPG (Electrode+Photoelectric) test heart rate/ECG/blood pressure. Body temperature, non-invasive blood glucose, sleep, blood pressure, heart rate, stress and other health monitoring 2. Charging method: USB direct charging 3. Bluetooth LE5.0: 4. Waterproof : IP68 waterproof 5. Battery capacity: 130mAh polymer battery 6. other functions: Stopwatch, countdown, pedometer, calorie, distance, sleep monitoring, sports mode, incoming call reminder, alarm clock reminder, low battery reminder, remote control photo, sedentary reminder, raise your hand to light up the screen, social sharing (WeChat, QQ, Facebook, Twitter), customisable labels event reminder and so on. 7. information push language watch language: Chinese Simplified, Traditional Chinese, English, Japanese, Korean, German, Russian, Spanish, Italian, French, Portuguese, Swedish, Turkish support 13 languages 8.APP language: Simplified Chinese, Traditional Chinese, English, Japanese, Korean, German, Russian, Spanish, Italian, French, Portuguese, Swedish, TurkishSupport 13 languages