Parameter Screen size: 1.83" Screen resolution: 240 x 284 pixels Touch type: full touch screen Capacity: 230mAh Charging method: Magnetic fast charger Waterproof Rating: IP68 waterproof Heart Rate: Y more→es Pedometer: Yes Calorie Counter: Yes Compatibility: Android 5.0+, IOS 10.0+ Bluetooth: 4.0 Basic functions: Heart rate measurement, blood oxygen measurement,Weather information,Sleep information,Biood oxygen.,biood giucose Exercise recording: counting steps, exercise time, exercise mileage, calorie consumption, sleep monitoring, uploading APP to save exercise sleep data Smart reminder: phone, message, QQ, WeChat, more news push Sports mode (walking / running / cycling / skipping