หัวข้อ: What does the apple watch count calories burned from?

[hwansadplxbci]

Well, some days I walk 8000 steps and it says I burned about 200 calories, but my friend takes 6000 steps and says I burned 400 calories. I want to know what the apple watch counts calories burned from.
ทางเข้าเว็บบาคาร่า