Product Description:Bluetooth: 4.0Battery: 50mA Polymer Lithium-ionCharging Time: 1 hourWaterproof: Life WaterproofOperating Temperature: -10 to 45Storage Temperature: -20 to 60Support: IOS 7.1 and Android 4.4 or aboveSynchronization Range: 3m(theoretical rang is 10m without any interference)Features:Multi Functions: SMS, information, call reminders, Heart rate monitor and blood pressure monitor, Sleep monitor, check sleep trend chart to view your sleep time and quality.Convenient: Bluetooth synchronization, and the data synchronization does not require cable. When the Bluetooth is disconnected or the phone is out of the Bluetooth distance, the watch will alert you. It adopts USB direct charge.Remote Camera: it can take photos by phone through remote control of the wristband.Activity Tracker: recording your daily activity: steps, distance, time, calories; check and share your data anytime.Anti-lost: the wristband will remind you with vibration when your phone is 5m away from you.Package Includes:1 x Smart Bracelet1 x ManualNotes:1. Please allow 1-3 cm difference due to manual measurement and 3-5 g for the difference between different colors.2. Due to the screen difference, the color may be a little difference from what you expect, please allow it.Multi FunctionsSedentary reminder: you can set it to remind you to walk or exercise after a long time sit.IPX7 Waterproof: smart bracelet from water (Not for swimming or taking a shower).

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