Say to the lamp, I believe that everybody is not strange, often can be seen in our life, especially in big cities and some well-off life of the family, is the bedroom lamp, the desk lamp
that shield an eye, etc.
How much the usb lamp we know?
Knowledge of usb lamp, I believe you know enough, mainly is the usb lamp now its working principle and common desk lamp.
But, when it comes to protecting our eyes also have to adjust the usb lamp, now on the market sell usb lamp, has the function of protecting our eyes, not just because of using the LED light source, but the usb stroboscopic lamp, more than the eye can capture the frequency, the usb lamp, so it is generally not caused harm to people's eyes, but in the case of use for a long time, eyes produce acidity, also is inevitable.
So-called usb lamp, is the usb interface, can be connected to a computer by means of computer to the lamp power supply, lighting, and the biggest different general desk lamp, it is this desk lamp has a usb interface, not only can plug in a computer, you can also and the usb interface to connect mobile phone, usb lamp on general market are made by an LED lamp bead, high brightness, usb hose are generally metal desk lamp, can be arbitrary bending, random adjustment, exposure to light is relatively soft, also a long service life, at night, do not need to open other lamps and lanterns, as long as it a small usb lamp, can let you stayed up all night playing all night.
Don't interfere with others, small creatures shape.
Whether bring usb lamp to study, or play, lighting, on the choice, some of the tips, light like to share with everyone.
First choice in the face of the usb lamp, in addition to the usb lamp lighting and light source, and debug usb lamp, can't make a sound, scrutinize the light of lights, when sit down and watch the lights line cannot be exposure to people's eyes, test the effects of usb lamp in the eye, shake the usb lamp, whether it is unstable, easily overturned, stretch hose can adjust at will, with touch, finally after usb lamp, lamp shade is hot, so as to avoid burns when used in the future.
More than a simple description is usb lamp, the hope can help you!
If you want to choose and buy the usb lamp, just looking for a light, a company specializing in the production of usb lamp, the desk lamp that shield an eye, led lamp manufacturers.
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