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.
其内部部件备有与高频保护电路在一起的无源分频器，高频保护电路可防止高音驱动器过载损坏。
Its internal components available high-frequency and circuit protection with passive divider, high-frequency driver protection circuit to prevent high-overload damage.
其内部部件备有与高频保护电路在一起的无源分频器，高频保护电路可防止高音驱动器过载损坏。
Its internal components available high-frequency and circuit protection with passive divider, high-frequency driver protection circuit to prevent high-overload damage.
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