37 Degree Bracelet measures biological rhythm, mood and fatigue, which helps collect multi-dimensional data and quantify individuals with their emotions, fatigue, sleep, exercise and ambulatory blood pressure trends, etc. The process is carried out by visible light measurement technology stealthily. It enables you to feel yourself anytime and anywhere. DO NOT wear the bracelet to bathe or do the aquatics, including swimming, surfing, diving, canoeing and so on. Main Features : Heart Rate Sensor,Blood Pressure,Emotional status, Fatigue level Water resistant (IP54) 157mAh Battery Sleep Mornitor , Pedometer , Fitness Tracker Compatible System: IOS 7.0 or above, Android 4.3 or above Andriod adapter models: Support for Bluetooth 4.0 and install Android 4.3 for most models. (Android 4.3 and above versions) Bluetooth:4.0 Battery : Lithium polymer battery Battery capacity : 157mAh Input voltage : DC 5.0V Standby time : 5 days Heart rate sensor : Optical heart rate sensor Product size : 49.59 x 21.863 x 6mm Packaging: 1 x 37 Degree Smart Bracelet Black 1 x USB cable 1 x User Manual 1 x Charging cradle
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