These Smart watches are very helpful especially to people who want to reduce Fats or Weights, and people who do Gym sports. But there are other functions it has too, please lead them well bellow:-Functions:-1: Sleep monitoring.2: Pedometer: Support，Movement ,mileage, calories burnt.3: Support Android 4.3 or above and iOS7.0 or above. Works with all Android Smart Phones.4: Features/Application: BT,#Alarm clock,# Alerts for incoming calls and new messages,#Smart unlock, Sedentary remind, Sync the data to the APK,#Remind for anti-lost.Notice: This product has the following colors available: Black,White Please remark the color you need when you place an order, or it will be color random delivered by default. Package includes: 1X smart Bracelet 1X Detachable USB charging 1X user guide NB: Please if you have more questions regarding this Smart Watch, please send a Message and I will reply u as soon as possible. Thanks....
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