The Interphone Connect Bluetooth Intercom System Twin Pack (FOR 2 HELMETS) is packed with features...GENERAL:Talk time - up to 15 hoursStand by - 1000 hoursCharging time - 2 hoursDirect function buttons (Quick Touch)User-friendly interfaceADVANCED FEATURES:Smartphone App - compatible with iOS and Android. Allows intercom configuration and control directly from the SmartphoneAnycom - allows communication with all Bluetooth intercom devices by different brands, in full duplex modeINTERCOM RANGE:Up to 100 mMOBILE PHONE:Speed dial - possibility to store one telephone number, with rapid redial via intercom commandVoice call (depending on mobile phone model)Last number redialBUILT-IN FM RADIO:88.0 MHz to 108 MHz receiver RDS function (adjusts to best frequency depending on area)8 pre-set stationsAutomatic storage of first 8 most powerful stationsAutomatic radio mute for incoming callsGPS:Compatible with most major Bluetooth navigation devices for motorcyclesGPS voice instructionsCompatible with most major smartphone navigation appsMP3 / MUSIC:Wireless MP3 music (A2DP/AVRCP) through smartphone and MP3 playerMusic sharingFIRMWARE UPDATE:Firmware update-ready directly from PC (Windows and MacOs)COMPATIBILITY:Majority of helmets on the marketAll smartphones equipped with Bluetooth technologyGPS navigation devices with Bluetooth technology and HFP profileIntercoms by other brandsEarlier Interphone modelsWATER RESISTANT:Waterproof - IP67AUDIO FEATURES:Pre-recorded voice messages (with updatable multi-lingual packages)Directional windproof microphoneNDVC - noise dependant volume controlDual volume adjustment mode a) for jet and modular helmets - b) for full face helmetsCHIPSET / BATTERY / CHARGER:Chipset - low-energy high performance processorBluetooth version 4.2USB connecter charging cable microusbConnectors for microphone and speaker (Mini USB) and for charging, data and AUX (Micro USB)DIMENSION:Weight - 55 gLength - 86.9 mmHeight - 50.4 mmDepth - 22 mmWARRANTY:2 Years