Features: Healthy tracker, check your physical index, steps, distance, calories burned, speed and multi training modes will help you get a better understanding of your fitness level. Real-time dynamic monitoring the heart rate data under the various states, allow you keep in the appropriate heart rate range. Automatically recognize your state and monitoring the whole sleep progress with analyzing the deep sleep and light sleep hours. IP 67 waterproof withstand light rain, sweat and pool, 0.73 inch OLED screen. Support Android system 4.4 version or above, IOS system 8.2version or above, BT with 4.0 version. Multi-Function: Pedometer, Sedentary remind, Sleep monitoring,ECG monitor, Remote photos, Music playing, Alarm clock, multi-language, notification push, etc. Languages: Chinese, English, German, Italian, French, Japanese, Korean, Hindi, Russian, Spanish, Portuguese