The audio power amplifier uses integrated chip LM 386, the voltage amplification factor is 200 most greatly.

音頻功率放大器采用集成芯片LM386, 電壓放大倍數(shù)最大為200.

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A half month long - term usage feels is the even skin color most greatly!

半個(gè)月連續(xù)使用的最大感受就是均勻膚色!

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