Decibel Meter：Sound Level app analytics for December 14

Decibel Meter：Sound Level is an app that can provide real-time distributed data, with the following features: -High precision measurement, real-time measurement -Provide location information for measurement -Provide detailed measurement reports -One click sharing of measurement data -Support for exporting audio data -Minimalist design, one click measurement -Support decibel meter data 1.Payment: The user deducts the payment through their iTunes account and makes the payment upon confirmation of purchase 2.Renewal: The user's iTunes account will be charged within 24 hours before expiration, increasing the corresponding subscription period 3.Cancel Renewal: To cancel the renewal, go to "iTunes Store and App Store" ->click on "App ID" to enter the "Account Settings" page, click on "Subscription", and choose to unsubscribe 4.Privacy Agreement: https://docs.qq.com/doc/DVGVuV3BPSnFieEhl 5.Terms of Use: https://docs.qq.com/doc/DVEtuRkJ1bGxoR3RS