M4 Smart bracelet, Blood Pressure monitoring, Heart Rate Monitoring,Blood oxygen monitoring,Professional waterproof Level IP67,Full font text push,Incoming call,Call rejection,,Multi-sport mode,Sleep monitoring, Wristwatch, Intelligent Bracelet, Fitness Tracker for Andriod / iOS. SMS, Bluetooth synchronization, reminders and push. 0.96″TFT display, analog measurements, sports pedometer step monitor, monitoring sleep quality,. Trendy new style and design to stand out from others. Working Time: 4-7 Days Standby Time: 45 Days Connection: Bluetooth 4.0 OLBE Charging method: Charging Clip Support: Android 4.4+ iod above 8.5
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