Download Data sheet: 3m-peltor-technical-datasheet-ws-alert-xpi-enalert-xpi-pttws_alert_xpi_xp_user_guide ArticleNo/ P/N: MRX21P3E3WS6 3M™ PELTOR™ WS™ ALERT™ XPI Headset, App, helmet attachment - MRX21P3E3WS6 The headsets are iOS and Android compatible through the 3M Connected Equipment App. Headset with helmet mount. Bluetooth® MultiPoint technology for connecting to one or two external devices.(Not at the same time). Noise canceling boom microphone. Listen to your surroundings with the level-dependent ambient sound feature and push-to-list feature. Built-in FM radio. When Bluetooth is only connected to a two-way radio the Bluetooth button work as PTT. (when the terminal is fitted with HKVN4465A license.) Interchangeable hygiene kits. Price request Download Data sheet: 3m-peltor-technical-datasheet-ws-alert-xpi-enalert-xpi-pttws_alert_xpi_xp_user_guide