3M PELTOR ProTac III SNR 32 dB Headset Ear Defenders MT13H221A3M PELTOR ProTac III Headset with level dependent function for ambient listening helps you focus on your work and communicate with nearby colleagues in noisy environments, without removing the hearing protection. The headset helps protect against harmful noise, whilst allowing ambient sounds to be heard at a level below 82dB. Stereo feedback will allow you to hear and better determine direction of alarms, warning signals, backing vehicles, machine