Elegant and accurate decibel meter for your iPhone and Apple Watch. Includes minimum and maximum decibel values as well as environment references.
* Calibrated against the EXTECH Sound Level Meter model 407732.
Elegant and accurate decibel meter for your iPhone and Apple Watch. Includes minimum and maximum decibel values as well as environment references.
* Calibrated against the EXTECH Sound Level Meter model 407732.