ag online AG ONLINE M4 Smart Band (Black Strap)(Black Strap, Size : Free Size)
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It is fashionable too, making you distinguished in the crowd. Download the APP “ Wearfit" to view your weekly health report with diagram and analysis of your walking distance, sleep quality, heart rate, blood pressure, blood oxygen and fatigue index. Fully compatible with various smartphones (Android and Apple's IOS system) Multi-functional Fitness Tracker: Accurately track your steps, distance, calories burnt, sleep quality and heart rate all day.....