The 3M PELTOR WorkTunes Pro HRXS221P3E-NA Headset (Hard Hat Model) helps protect you from potentially harmful workplace noise while at the same time enjoy listening to the built in AM/FM radio. The built-in antenna fast digital tuning and ability to store stations makes the hearing protector flexible and easy to work with.Key Features High attenuating hearing protector AM/FM Radio headset with built-in antenna Digital station search Voice guided menu system with announced frequencies Store up to 5 stations 3.5 mm listen only stereo input (limited to 82 dB) for connection to external devices (e.g. cell phone two-way radio Ipod). Auto power off the headset will turn off after 4 hrs of non-use to save battery Low-battery warning at low battery level To reduce the corrosion caused by sweat the electronics are located in the outer part of the cup Available in both in headband and hard hat attached versions (black). 26 dB NRR Hard Hat sold separately ApplicationsThe 3M PELTOR WorkTunes Pro Headset with built-in AM/FM receiver can be used in noisy industrial sites as well as farming or landscaping activities. For Occupational Use Only.