Function Step gauge Support Calories Support Mileage Support Heart rate Support Blood pressure Support Sleep monitoring Support Silent alarm (can be customized) hand ring vibration reminder Phone calls reminding Support Hardware Parameters System Support IOS iphone4S IOS8.0 and above/Android 4.3 and above bluetooth BLE4.0 Screen size OLED 0.95 Battery capacity 90mAh Standby time 10days Endurance Time 4days Charging Type Clasp type Power Requirements 5V 500mA Charging Time About 0.5hours Key mode A physical key + touch button Waterproof & Dustproof IP68 Packing Packing Smart bracelet, Charging cable, Instruction, Packing box Product size 42.5mm*11.5mm Box size 100mm*100mm*78mm Product NW 47g

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