nicefuse smart watch, fitness tracker with heart rate monitor blood oxygen saturation meter sleep monitor, waterproof smartwatch compatible with iphone samsung android phones... (coffee) nicefuse <b>nicefuse–your health fuse, give you nice future.</b> <br><br><b>health monitor features</b><br> heart rate monitor<br>blood oxygen tracker<br>hrv report<br> sleep monitor<br>all-day activity tracking <br><br><b>work helper features: </b><br> call alert <br>sedentary alert<br>alarm<br>timer<br>sms&sns alert<br><br><b>fitness & outdoor features: </b><br>step counter<br>ip67 class waterproof<br>stop watch<br>connected gps <br>calorie counter<br>10 multiple sport modes including outdoor run, indoor run, outdoor walk, indoor walk, hiking ,stairs stepper, outdoor cycle, stationary bike, elliptical, rowing machine.<br><br><b>basic specifications: </b><br> display screen: high-end glass full hd color screen<br>bluetooth version: bluetooth 4.0<br> waterproof rating: ip67 <br> battery: 240 mah<br> working time: 4~7 days<br> charging type: magnetic usb port charger<br> charging time: 1 hour<br> <br><b>package contents: </b><br> 1 x nicefuse smart watch fitness tracker<br> 1 x usb cable charger<br> 1 x user manual<br><br><b>important note</b> <br><b>please make sure the bluetooth of your smartphone turn on and connect with smartphone via the app ”h band” , not bluetooth menu. <br> please keep your wrist stable and clean when testing blood pressure. <br> sleeping data would update within 1~2 hrs after you get up. <br>alarm , sedentary alert, sms&sns alert feature need to set up in the app, tap"setting"-> "w3"->begin set up.<br>if there’s connection problem in android smartphone, please add “h band” into white list and set up auto run in the app management, authorize ” h band” and turn on all the switches in the app permission.