3M PELTOR WS ALERT XPV Solar Powered Headset is a Bluetooth MultiPoint headset with noise-cancelling microphone and self-charging by photovoltaic power. It connects to a mobile app for more easily set-up and adjust the headset. The headset helps to protect you against hazardous noise, but also makes it easy to make phone calls with both hands free in noisy environments.Key Features: WAP (Work Audio Profile) function for ambient listening to help promote your situational awareness. Bluetooth MultiPoint technology for connection to one or two external Bluetooth devices for hands-free talk and streaming. Noise-cancelling boom microphone for clear speech transmission in noisy environments. Multifunction button, customize with different pre-defined features. Self-charging headset consisting of a seamlessly integrated solar cell material that converts all forms of light, both indoors and outdoors into sustainable electrical energy. Connection to an iOS and Android compatible mobile App to more easily set-up and adjust the headset. The 3M Connected Equipment App is available to download from App Store and Google Play. OTA (over-the-air firmware update) Push-to-Listen feature to easily and instantaneously listen to your surroundings. Voice-guided menu system. Auto power off - The headset will turn off after 4 hours of non-use to save battery. Low-battery warning at low battery level. Replaceable cushions and foam liners.