The Steelman Pro Bluetooth ChassisEAR Lite Noise Vibration Harshness Detection app is a helpful tool for service technicians to locate and identify defective or worn parts in automobiles, heavy machinery or industrial equipment. The app requires additional hardware to function, which can be purchased by contacting the developer, JS Products Inc. The app has been tested with various devices, including Galaxy S3, S4, S5, Samsung Note 800, Samsung Tab3 Neo, Moto G, Nexus 5, HTC210, HTC610, Lenovo A536, Samsung Galaxy Note 10.1, Samsung Galaxy Tab S, Samsung Galaxy Tab 4, and Samsung Galaxy Note 4.

The app features Bluetooth wireless communication to the mobile device, a user-friendly interface, and intuitive operation. Sound level reading displays average, peak, and real-time values, which can be displayed in either analog or digital. The app also has a multi-band equalizer for high-quality sound detection, and analog and digital readings have two display panels that users can choose from. The app also includes background sound off-setting, sample rates, decibel off-setting, and master volume control. The user information guide includes informative facts about sound perception and permissible noise level exposure, as well as a sound level comparison reference chart.