Facts You May Ignore About Fitness Tracker Smartwatch And Fitness

You may once saw this scene in a hospital——   I believe you well know that this little equipment can be used to test blood oxygen levels. So what is blood oxygen? What is...

Can I swim or shower with my wearable? Sometimes you see statistics, such as 5 ATM or IP68 on the Parameter Description, but still confused about this. In fact, users need...