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Do you want to measure the minute noise around you? Do you want to quantify the strong noise and save it by time?

✔ Try it in this case.

＊Do you want to measure the minute noise around you?

＊Do you want to quantify strong noise and save it by time?

＊Do you want to know the degree of noise around you through a graph?

If so, do not hesitate to install it.