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Product description: * 0.96 '' IPS 160 * 80 resolution color screen * IP68 waterproof (you can wear it in the rain, wash your hands, but don't put it in hot water) * Built-in 105 mAh battery, charging time is over 1.5H, normal use time is over 10 days, standby time is over 20 days * Bluetooth push support (call, SMS, application messages alarm: QQ, facebook / Twitter / WeChat, etc.) * Support heart rate / blood pressure / blood oxygen monitoring (this function is for reference only, cannot be used for medical data) * Pedometer (sport step, calorie consumption, exercise mileage record) * Support multiple sport modes (running / riding / climbing / swimming / ping pong / walking, etc.) * APP name: '' Lefun '' * Removable shoulder strap * Charging mode: USB dedicated charging cable * Compatible system: BT4.0, for Android4.4 and IOS8.0 or higher * Main features: sedentary reminder, multi-sport mode, full font push, WeChat campaign, weather forecast, reject call, by device, alarm reminder, photo, drink reminder, gesture control, do not disturb mode, reminder mode, sleep monitoring, G- sensor * APP supports 10 languages: Simplified Chinese, English, German, Russian, French, Portuguese, Spanish Note: Please don't read it compared to hospital equipment, it's not a medical device! Before using, scan the QR code on the manual to download the app and connect it to the watch via the app. The watch cannot be worn for swimming or bathing. Only screen waterproof Package: 1 * smart watch 1 * instruction manual Please push the watch hard to charge, if it is not pushed in, it will cause charging failure! ! ! Note: This is not the Xiaomi Band 3. the smart bracelet is not for medical use, please do not buy to check health (heart problems, blood pressure problems). It is not suitable for professional use. Just relate to it.