2022-05-12 15:38:33
1. Product qualityWhen buying a Bluetooth headset, you need to pay more attention to the product quality and performance of the product, such as life of the battery and rays degree. Wireless Bluetooth...
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2021-12-13 14:35:03
The three noise reduction measures commonly used to reduce noise, namely noise reduction at the sound source, noise reduction during propagation, and noise reduction at the human ear, are all passive....
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