It warns you that it functions even with your close eyes.
It has to be at certain angle.
I tried to use a mirror. It didn't work.
If I cover my face with my palm, it doesn't work. However, if I only cover half of my face, it works. 😊
It has to be at certain angle.
I tried to use a mirror. It didn't work.
If I cover my face with my palm, it doesn't work. However, if I only cover half of my face, it works. 😊