one. Overview 1. Basic concept of flashing It has been found that reading books under fluorescent light for a long time will be uncomfortable, although the brightness is the same as during the day. Why is this? After research, it turned out that this is because the light intensity of the fluorescent lamp changes with time. That is, the flashing of the light source. So what is the light source flashing? The flashing of the light source is a rapid and repeated change of the light emitted by the light source over time, making the light source jump and unstable. Of course, the human eye does not easily perceive the flicker of the light source, which depends mainly on the frequency of the flicker. Generally, at a flashing frequency of 50 Hz
The adult Sleep Headsets are placed in close contact with the ears and eyes, and when the music is played, other noises are inserted into the middle ear and the inner ear (ear drums) to achieve the purpose of sound insulation, thereby enabling a peaceful rest.The sleep headphones are characterized by softness, comfort and durability, and are of higher quality, more suitable for daily sleep.The style is simpler and mainly based on softness and comfort.
Advantages:
1. Wearing a sleep headset to sleep will make you feel very comfortable, there will be no cumbersome feeling, you can use it as a blindfold or as a headscarf.
2. It is easy to disassemble and can be washed with water.
3. It is suitable for use when traveling by plane, effectively shielding noise and allowing you to rest in peace.
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