The UT353 mini digital sound level meters convert ambient sound into electrical signals and display the results on an LCD screen. These meters continuously monitor sound levels, providing real-time, accurate measurements. Moreover, the UT353BT model includes Bluetooth functionality, enabling users to transfer data to UNI-T’s custom mobile app, i ENV, for further analysis. This feature greatly enhances the meter’s versatility, allowing easy storage, analysis, and data export. Additionally, users can download the i ENV app from Google Play, the Apple Store, or UNI-T’s website. As a result, the UT353 series offers an efficient and convenient solution for noise monitoring and analysis, making it ideal for various professional settings.