Decibel-ambient noise detector

We live in a world full of noise: the amount of noise generated by cars, power tools, people, machines and other common sources may continue to be exposed to us, causing serious hearing loss.

Decibel can provide professional measurement results. You can measure the noise level of your environment, avoid staying in a place with hearing loss for a long time, save the measurement results and share the measurement results with others



Functional features

1. Fast response to decibel change, measurement results accurate to decimal

2. Super long historical record retention, decibel recording playback reference

3. Real scene noise test and synchronous detection record

4. Real time display of maximum value, minimum value and average value

5. Practical tools, measuring distance, level, to solve small problems in life



[description of auto renewal members]

- subscription cycle: one week (three days of free trial will be provided, and the subscription will start immediately after the free trial ends)

- price: RMB: 6 yuan a week, with different charging standards in different countries / regions

- payment: after the user confirms the purchase and pays, it will be recorded in the itunesaccount.

- users can manage their subscriptions and automatic updates through their account settings.

- cancel renewal: to cancel the renewal, please manually turn off the automatic renewal function in the itunesgpapple ID settings management 24 hours before the expiration of the current subscription period.

- renewal: the member's own recharge account or Apple's iTunes account will be charged within 24 hours before the expiration of the subscription period. After the deduction is succe