1)How to download and install the app?
For android phone, search terms 'Hplus Watch' from Google play,download and install it. For iphone, search terms 'Hplus Watch' from Apple play,download and install it.It's simple way to connect app to your smart phone. If it still doesn't work, uninstall and reinstall the app.
2)How can I make it tracking more accurately?
After installed HPlus Watch APP, please erase history user data in the app,then fill up your information such like height,weight,age,gender,etc correctly. Meanwhile ,you should track by it 2-3 days time for a cycle so that the chip can calculate more accurately.
3)How can I start and stop sleeping monitoring function?
The smart watch is able to track your sleeping quality automatically as long as it is with electricity,no need to start or stop the function manually. And it is better to track for 2-3 days. Then you can see detailedly stats about your sleeping quality on Yesterday Stats Report ,curved each time sleeping quality ,deep sleeping time and light sleeping time.
4)How much is this watch monitoring error about calories burned,sleep tracking,pedometer?
It depends upon the temperature and your wrist sweating. Generally speaking, its calculation error ranges from 8% to 10%.Tracking for several times will be more accuracy.
5)How to turn on the smart watch after left it aside for several days?
It will use up all the electric of the smart watch after left it aside for such a long time. So you had better fully charge it for 30 minutes.
HEART RATE MONITOR:get continuous, automatic, Bluetooth wrist-based heart rate and see simplified heart zones
Multi -function:palming bright OLED screen;time; calling, massage reminder(Android phone only),clock alarm; track of steps, pedometer;calories burned, distance, sleeping monitor,sedentary remind
Fit for wrist 7.2-9.0 in,sync stats wirelessly and automatically to your smartphone, to get phone call by vibrate and tracking fitness when cellphone is nearby
IP67 30Meters Waterproof(can wear for immersion upto one meter for 30 minutes),Wireless Bluetooth,4-5 days Standby time,fast charging time(can be fully charged within 30 minutes) make your outdoor life more expecting
WIDE COMPATIBILITY SYSTEM SUPPORT:support IOS and Android system phone:1)Android phone:Support bluetooth 4.0+,Android system is android 4.3 +. 2)ios phone:Support bluetooth4.0+,ios system is IOS7.0+ ,such as: iPhone 4S 5 5C 5S 6 6P