3M PELTOR WS ALERT XPI Headset, MRX21A3WS6-ACK is a is high-attenuating hearing protector that can connect up to two Bluetooth-enabled devices, such as a mobile phone and two-way radio. It’s iOS and Android compatible with 3M Connected Equipment App. This headset also has a noise-cancelling boom microphone, level-dependent function for ambient listening, push-to-listen feature and built-in FM radio. In addition, it turns off automatically after 4 hours of non-use and has a low battery warning indicator. The electronics are located in the outer part of the cup and replaceable cushions and foam liners are available. Get protection against hazardous noise and make hands-free calls in noisy environments with 3M PELTOR WS ALERT XPI Headset, MRX21A3WS6-ACK. With this standalone headset with headband, you can connect up to two Bluetooth enabled devices, such as a mobile phone and two-way radio, for hands-free talking and streaming. Connecting to iOS and Android devices is simple with 3M Connected Equipment App which is available from the App Store and Google Play, making it easier to set-up and adjust the headset. A noise-cancelling boom microphone ensures clear speech in noisy environments, while a level-dependent function for ambient listening helps you to stay aware of what’s going on around you. The headset has a push-to-listen feature too, so you can instantly hear your surroundings when needed. An FM radio is also built into the headset, with radio volume limited to 82 dB. This incorporates a voice-guided menu system with announced radio frequencies, a digital station search function and the ability to store your favourite stations. To help save battery life, the headset will turn-off automatically after 4 hours of non-use. There’s also a low battery warning indicator. A rechargeable option is available, using NiMH batteries. The electronics are located in the outer part of the cup to reduce the corrosion caused by sweat. Replaceable cushions and foam li