【實用工具app】My Decibel Meter-Free|最夯免費app-綠色工廠好玩App

My Decibel Meter is not only a decibel meter but also your own sound level records tracker. In addition of that, It provides the reference dB and collects all the time periods with the noise level over 80db in order to help you to protect your hearing. + Calibrated with a professional high-precision sound level meter. + Tracking any sound level over 80 db and show you the total harmful dB duration and details before it hurts your hearing. + Show users real-time dB graphical display as well as save the records with renaming feature. + Support iTunes File sharing feature, easily transfer records from your devices to a computer. + It can work in the background.