Radians R-Series Earmuffs boost low level sound while filtering out anything that gets to a harmful level – but that is just the beginning. Four mics on the R3700 means you get surround sound, and with bluetooth built in, you can easily connect to most smart devices. With a premium headband providing the most comfortable experience possible, these compact folding earmuffs will become the most essential part of your safety regiment.

Manufacturer Part Number: R3700EECS / R3700 BluetoothNoise reduction rating (NRR): 24