Smaate Heart Rate Monitor JW018 Bluetooth Smart Watch Wristband Fatigue Monitoring Calls SMS Remind for Android and ios (Black)

Make every beat count with Charge HR-a high-performance wristband with automatic, continuous heart rate and activity tracking right on your wrist. Track steps, distance, and sleep quality and more, and stay connected with Caller ID and time of day on display.

Parameters
Host size:4.7*2.3*1.1cm
Waterproof level: IP65
Bluetooth:4.0
Display:Blue OLED 64*64
Strap:21.5cm(please confirm your wrist's width before order)
Battery:110mAh (can test continuous heart rate for 12-15hours,close the heart rate monitoring can save battery)

Software features
App name:Keyband(can only connect one app)
Calls remind: Caller ID, caller name
SMS remind: sender name

How to connect to the smartphones?
1.This wristband support android 4.3/ios7.0 or above ,Bluetooth 4.0
2. In the main menu, a flashing Bluetooth icon indicates that wristband is not connected to a smartphone, a still icon indicates that it's connected, while no Bluetooth icon indicates that Bluetooth is off.( Press and hold the screen about 6 seconds until the display goes to MAC number, then press the screen once, comes out the BT off icon, hold it about one second, the BT will be switched on.)
3. Open the app, register an account, and enter your personal details. From the menu in the app , go to "Device" and connect to your wristband from the listed devices.
4.If you still cannot connect to the smartphone ,please cancel the device on your smartphone's Bluetooth listing, close the app even the backgrounder and repeat the steps above.


Note:
If wristband is connected and can sync user data but unable to sync calls and message.Please restart the wristband and try again.
Sleep monitor: Function won't work if Pedometer is enable.