Bluetooth v4.1 App Utility for iPhone and Android phones Dynamic Mesh Communication (DMC) Natural voice operation Group conference, up to 15 people Total range 6 km / 3.7 miles Radius from unit to unit 1.2 km / 0.8 miles Universal connectivity Call to the intercom Private Chat Water-repellent certificate (IP65) 13 hours of talk time Charge while driving UpgradableCardoFirmware AUDIO Built-in FM radio with station scanning and saving Music sharing 40mm HD speakers Automatic volume Intelligent audio mixing Voice commands
