3M 7000141054 is a hard hat attached earmuff designed for hearing protection. With an attenuation rating of 23.0 decibels, it effectively reduces noise levels. Its shape is earmuffs, offering a comfortable fit for extended wear. While it is not metal detectable, it is classified as CSA Class AL. This earmuff does not offer electric insulation or moisture resistance. It is corded and can be used with cap-mount earmuffs. Although it does not have Bluetooth capability, it is compatible with noise attenuating headsets. It is a reliable and durable option for noise reduction.