An app that lets you know your heart rate by voice.
-You can see your heart rate without looking at the screen
Connect your heart rate monitor with Bluetooth LE to train.
It takes the position, movement distance and movement speed from GPS.
Voice assistance
▽Heart rate monitor and reading speed will be read out (every 10 seconds).
You can train while checking your heart rate without checking the screen.
On Off can be changed from set (Initial setting is On)
Lap measurement
Lap the gray part of the screen to measure the lap
When you press lap, you will be notified by voice of the lap time.
Data storage
You can save the data on your smartphone. (Initial setting off)
Documents/twh/myBLE.date.txt
Documents/twh/myLAP.date.txt
It is recorded in two.

Other
Even if the distance between your smartphone and the heart rate monitor is several meters away, you can measure even heart rate data attached to someone other than yourself.

Heart rate monitor with confirmed operation
Polar OH1
polar H10

How to use
Start the app and press the SEARCH button.
-A list of nearby Bluetooth devices will be displayed.
From that, tap your heart rate sensor.
The screen will switch and the application will start.
First, please grant permission for location information and file access.

important point
Beat accuracy depends on the accuracy of the heart rate sensor
　The speed display and position display are inaccurate in places where GPS signals cannot be obtained.