The 3M Peltor WS Protac XPI Headband Level dependent Bluetooth® headset is equipped with level dependent function for ambient listening to help improve your situational awareness and ability to communicate with people standing close by without compromising your hearing protection. When your level dependent function is turned down or even turned of you can use the PTL, Push to listen, which activate your ambient listening at occasions when you need enhanced situational awareness. A simple push at any button reset the ambient listening to your preferred setting. Bluetooth Multipoint connectivity for simultaneous seamless connection to up to two external Bluetooth enabled devices. Bright yellow colour for enhanced visibility in severe conditions. IP68 classified noise cancelling Boom microphone with optimized performance in high noise areas.