N-Com B901 X series is the ideal intercom system for sharing your journey with friends, follow the directions from the navigator, talk on the phone and listen to FM radio without compromising safety and comfort. The Auto ON/OFF functions, multi-language voice announcements and music sharing make it a top-of-the-range intercom perfectly suited for those who love travelling long distance and are alert to quality. Intercom \"Rider/Passenger\" intercom via Bluetooth BIKE-TO-BIKE intercom via Bluetooth. One-to-one communication. \"Bike to Bike Call\" Function. The carbon fibres used to make the X-lite helmets interfere with the transmission of the Bluetooth radio system. Therefore, the quantity and/or position of the carbon in the helmet caused a reduction in the communication distance that varies depending on the helmet model being used. The reduced distance concerns all the intercom systems available on the market, built-in or not built-in Smart Conference (Group intercom): simultaneous conference call between 4 “900” series N-Com systems Universal Conference (Chain intercom): simultaneous conference call between a “900” series N-Com system and a system paired up in “Universal Intercom” mode VOX: voice activation and deactivation of the intercom Compatible via Bluetooth with Nolangroup Bluetooth communication systems (Except for Bluetooth kit and Bluetooth kit2, which are not compatible) Compatibility via Bluetooth with intercom systems of other brands (Universal Intercom) Mobile Phone Telephone via Bluetooth: vocal answer, hanging up, voice commands, redialling the last number, switch intercom/phone automatic management Automatic exclusion of intercom and of the connected audio source during a telephone conversation. Automatic reconnection at the end of the phone call \"Conference Call\" function: 3-way telephone call between Rider, Passenger and caller Double mobile phone management (or Mobile phone and GPS) Storing of 3 favourite numbers, with speed-dialling command Smart Navi System: intelligent management of smartphone navigator iPhone™ and Android™ Compatible. iPhone is a registered trademark of Apple Inc. / Android is a trademark of Google Inc. MP3-Player Bluetooth connection to A2DP Mp3 players: Play, Pause, Stop, Skip directly from the helmet (AVRCP profile) Music sharing via Bluetooth with a second helmet Satellite Navigator Connection via Bluetooth to compatible satellite navigators: directions, MP3 music, mobile phone (for models that allow it) FM-Radio FM radio integrated: Search for radio stations, 6 pre-settings RDS function: automatic search of the stronger FM signal. Automatic mute in case of incoming phone calls Management from PC Management from PC via mini USB wire (included) N-Com Easyset programme downloadable from the Support section. Adjustment of audio parameters, firmware update, FM radio stations pre-setting, saving quick-dial numbers Compatible with Windows, Mac N-COM App Management of the N-Com system from Android, iPhone Smartphone and iPad thanks to the dedicated App N-Com Easyset Certificates/Type Approvals Certificates: Bluetooth 4.1, class 1 Type-approvals: FCC, IC, C-tick Bluetooth profiles: Headset, Handsfree, A2DP, AVRCP, Intercom Audio Characteristics Full duplex intercom (HD quality) High quality audio hi-fi stereo Noise-dampening microphone VOICE PROMPT: system multilingual state voice instructions DSP: dynamic noise reduction during intercom connection Auto ON/OFF: automatic management of system ON/OFF through accelerometer. AUX Input Aux. Input for cable connection to Mp3 players Mini USB connection cable for PC management included in the packaging Installation Perfectly integrated in the helmet Easy and fast installation by the user Keypad built into the helmet: ergonomic design, thin, easy to use even while wearing motorcycle gloves, just 4 control keys Can be transferred from one X-lite N-Com helmet to another (compatibles helmets) B901 weight: 100 grams. Battery and Battery Charger Lithium battery, rechargeable and removable. Fast recharge Battery Saving Function: automatic switching off of the N-Com amplifiers when there are no active audio sources. Battery low indication with acoustic and visual signal, auto-off function Talk time: 15 hours. Stand-by time: 17 days USB charger: 100/240V – 50/60 Hz Bluetooth Connections to your smartphone to your Mp3 player to your satellite navigator to intercom systems of other brands to the audio systems pre-installed on the motorcycles Compatible with the following X-lite helmets: X-1004/U.C. X-1003 X-903/U.C. X-702/U.C./GT X-661/ET X-603 X-551/GT X-403/GT/U.C.