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UNI-T Decibel Meter UT353BT, Digital Sound Level Meter 30-130dB Audio Noise Volume Measure Device Free App for iOS/Android, Max/Min Fast/Slow Data Hold LCD Backlit Auto Shutdown: Amazon.com: Industrial & Scientific
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Decibel Meter - Sound Meter App for iPhone - Free Download Decibel Meter - Sound Meter for iPad & iPhone at AppPure
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Decibel Meter - Sound Meter App for iPhone - Free Download Decibel Meter - Sound Meter for iPad & iPhone at AppPure
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