MyFitnessPal:
- Sends your food diary to your Withings account
- Receives your activity details from your Withings account
- Receives your weight measurements from your Withings account
https://support.withings.com/hc/ja/sections/6216083667217-%E3%83%91%E3%83%BC%E3%83%88%E3%83%8A%E3%83%BC%E3%82%A2%E3%83%97%E3%83%AA
https://support.withings.com/hc/ja/sections/360005803793-Features