Parameter: Watch size: L * W * H = 48x19.3x10.8mm, Watch weight:23.8g. 0.96 inch high-definition color screen. Multi-language settings.Battery capacity: 90mAh. Use time: 3-5 days, Standby time: 7-10 days. USB charging, Charging time: 1-1.5 hours.Mobile phone compatibility: Compatible with Smartphones with Bluetooth 5.0 and iOS 8.0 and above/Android 4.4 and above. Scan the code to download and install the WearFit2.0 application for free.Health monitoring: body temperature monitoring, sleep monitoring, blood pressure, blood oxygen monitoring, 28-hour monitoring of heart rate. The measurement results are only for fitness reference, not for medical reference.Multiple training modes: Walking, Running, Climbing, Cycling, Basketball, Tennis, Football, Hiking, Yoga, etc. When you turn on the watch's exercise mode, it will automatically monitor the number of steps, calorie consumption, and walking distance.Other functions: SMS call reminder, sedentary reminder, Remote control camera, Alarm clock, Stopwatch, Step counting, Sleep record, Weather information, Music control, etc.