The Sports Sleep Monitor Bluetooth Smart Wrist Band Bracelet for Android !#!amp!*! iOS Phone helps you promote a healthy lifestyle in a totally smart and convenient way. Inbuilt with pedometer， it keeps track of your daily activities and calculates calorie burned. Even better， you can set your own fitness goal and have a clear view of everyday progress. Sleep monitor analyzes your sleep quality， letting you know your sleep patterns. Moreover， it delivers notifications of incoming calls， text messages， alarm， and preset events to your wrist and alerts you with subtle vibrations so you won’t miss any important things any more. Isn’t it brilliant and cool? Don’t hesitate to buy now!                                    Features            Help you promote a healthy lifestyle in a totally smart and convenient wayInbuilt with pedometer， keep track of your daily activities and calculates calorie burnedYou can set your own fitness goal and have a clear view of everyday progressSleep monitor analyzes your sleep quality， letting you know your sleep patternsDeliver notifications of incoming calls， text messages， alarm， and preset events to your wrist and alert you with subtle vibrations (available only when the band is paired with an Android phone)Support smart unlock (available only when the band is paired with an Android phone)Anti-lost function alerts you when the cellphone is certain distance away from the bandSupport auto upgrade of APK and Bluetooth firmware and app data syncSlim and lightweight， stay comfortably on your wristSleek design， vibrant color                                                            Specifications            Material    Silica Gel !#!amp!*! Aluminium Alloy    <br>Color    Black    <br>Brand    DAMI    <br>Bluetooth Version    V4.0    <br>Waterproofing Grade    IP67    <br>Operating Temperature    -10℃ to 50℃    <br>Battery Capacity    41mAh    <br>Battery Type    Lithium Polymer    <br>Adjustable Length    6.18" ~ 8.07" / 15.7cm ~ 20.5cm    <br>Operating System    Android and IOS    <br>Input Voltage    DC 5V    <br>Input Current    25mA    <br>Dimensions    (9.06 x 0.71 x 0.39)" / (23 x 1.8 x 1)cm (L x W x H)    <br>Weight    0.81oz / 23g    <br>                                                            Package Includes            1 x Smart Bracelet1 x User Manual1 x Cable