Decibel meter testing is a practical noise detection tool that helps you easily measure environmental noise levels.

The main functions include:
Decibel testing: Real time measurement of the decibel value of the current environment, providing accurate noise data.
Surrounding noise detection: real sceneShoot and record the noise level of the surrounding environment.
Test records: Automatically save historical measurement records for easy viewing and analysis at any time.
Simple and easy-to-use, helping you better manage noisy environments. Download now and experience the precise noise measurement function!

Subscription instructions:
Subscription cycle price: consecutive weeks/48 yuan
24 hours before the VIP privilege expires, the iTunes account will be automatically charged and the renewal fee will be determined.
Cancel automatic renewal: To cancel automatic renewal, please manually turn off the automatic renewal function in iTunes/Apple ID settings management 24 hours before expiration. If the subscription is not closed at least 24 hours before expiration, it will be automatically renewed.
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