The MyPetzl Light Bluetooth® mobile app allows the user to customize the performance of the REACTIK + and NAO + headlamps from a smart phone or tablet: access remaining burn time, activate one of the predefined activity profiles, customize lighting and adjust brightness. • Get real-time information about the state of the headlamp from a smart phone or tablet: - battery charge level - remaining burn time - the headlamp profile currently active • Five predefined profiles adapt performance to the activity: multi-activity, trail running, trekking, mountaineering and bivouac. Each profile has a choice of multiple lighting levels • Create custom profiles: - customize the headlamp to best suit the need • LIVE mode: - access control of the headlamp from your mobile device with Bluetooth® - adjustment, in real time, of the brightness and burn time - display of battery charge level • Emergency light signal: - if an alert needs to be sent, a brief message can be programmed into the smart phone and transformed into a Morse code light signal by the headlamp - useful when there is no cell reception or other means of communication Connected headlamps available from July 2016.