Radiationless: no infrared rays, no ultraviolet rays, protect skin. DC low-voltage circuit design, have no high-pressure electromagnetic radiation on brain.
无辐射：无红外线、紫外线，保护皮肤。直流低压电路设计，对大脑无高压电磁辐射。
Radiationless: no infrared rays, no ultraviolet rays, protect skin. DC low-voltage circuit design, have no high-pressure electromagnetic radiation on brain.
无辐射：无红外线、紫外线，保护皮肤。直流低压电路设计，对大脑无高压电磁辐射。
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