M2Smart Bracelet Heart Rate Monitor Bluetooth Smartband Health Fitness Tracker Smart Band Wristband For Android IOS (Yellow) CHEMAI

Specification:Vibration:Mute/VibrationWaterproof:IP67/Life waterproof(Which just can support about washing hand)compatible system:Android 4.3 or above,iOS 8.0 or aboveHot spot:dynamic and static heart rateMain function:Pedometer ,Calories,Distance,Stopwatch,Sleep quality measurement,Call reminder,ALarm clock,Screen size:0.42 inchSize type:OLEDBluetooth:4.0BLE(Low power consumption)Battery type:Polymer lithium batteryControl type :Button control,APP control

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