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-228x228.jpg "Micro không dây cầm tay - 4 kênh")
Functional Description： ※ All using quartz crystal oscillating circuits so the frequency is very steady. ※ With audio compressing-expanding technology, the machine can lower nois..
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Functional Description： ※ All using quartz crystal oscillating circuits so the frequency is very steady. ※ With audio compressing-expanding technology, the machine can lower nois..