Hearing protection with level-dependent function for ambient listening that helps you focus on your work and communicate with colleagues in noisy environments, without removing the hearing protection. Stereo feedback will allow you to hear and better determine direction of alarms, warning cries, backing vehicles and so on. Connection type: 3.5mm Aux Input Jack. Battery life: 100 hr. The headset helps protect against harmful noise and allows you to hear ambient noise up to 82 dB. You will be able to communicate better with colleagues in your area as well as be able to perceive warning signals, approaching vehicles or machine noises and procedures. The headset can be used in industrial industries, construction sites, track work and other areas where you need to hear ambient noise. The 3M Peltor ProTac III MT13H221A Impact Protective Ear Caps offer robust hearing protection with a noise reduction rating of 32 dB. Designed for demanding environments, they feature a level-dependent function for ambient listening, enhancing situational awareness. The headset includes a 3.5 mm stereo jack for connecting external devices and an auto-power off function to conserve battery life. With a rugged design and limited impact protection.