Nolan N-Com B4+ Bluetooth Kit for N104 and N44 Helmets Revolutionize your motorcycle riding experience by fitting your Nolan helmet with the exclusive N-Com B4 PLUS communication system. Thanks to the Universal Intercom function, you can now communicate with riders who use other Intercom brands. Installation is simple and user-friendly, and requires just a few minutes. The comfort of the helmet is not compromised, thanks to the seamless integration of the B4 PLUS system. The keypad has a special ergonomic design to ensure easy handling of the commands, even while wearing gloves. Keep the tunes rolling on those long solo highway rides, thanks to the FM radio with RDS and the possibility to pre-set 6 radio stations, or with an MP3 player, mobile phone, and GPS. Or when you are with friends, maintain connection up to a distance of 800 meters (in open field, with no obstacles), thanks to the patented built-in antenna. Discover the innovation. N-Com B4 PLUS is the only communication system that can be managed from your Android Smartphone via the N-Com App. General Features Universal Intercom allows the B4+ to connect with other Intercom systems such as Sena, Cardo, and Midland Rider to passenger communication via BlueTooth Bike to bike communication between two BlueTooth B4 systems up to a distance of a 800 meters (in open terrain, with no obstacles) Permits users to communicate with 4 additional riders equipped with their own N-Com B4 Compatible via Bluetooth with all Bluetooth communication systems of the N-Com, X-Series and MULTI lines FM Radio with RDS function (to stay tuned to the same radio station for the entire ride), with 6 pre-settings for your favorite radio stations Telephone via Bluetooth answering, hanging up, voice commands, redialling the last number (for cellphones that allow it), 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 Pilot, Passenger and caller Firmware updates as well as presetting of the radio stations, volume controls, etc. can be done by connecting the B4 to a computer via the USB cable with the N-Com Wizard program Technical Features Bluetooth profiles Headset, Handsfree, A2DP, AVRCP, Intercom, AGHFP Full duplex intercom High quality audio hi-fi stereo Noise-dampening microphone VOICE PROMPT system state voice instructions DSP dynamic noise reduction during intercom connection 3.5mm Aux. Input for cable connection to MP3 players (cable included) Aux. Input for cable connection to multimedia devices GPS, PMR/GMRS radio, audio systems of motorcycles (cable not included) Micro USB connection cable for PC management included Lithium battery, rechargeable and removable 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 Battery charger 100/240V 50/60 Hz Please see special installation notes here.