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 Compatible via Bluetooth with Nolangroup Bluetooth communication systems (Except for Bluetooth kit & Bluetooth kit 2, which are not compatible) Compatibility via Bluetooth with intercom systems of other brands (Universal Intercom) Mobile Phone Telephone via Bluetooth: hanging up, voice commands, redialling the last number, switch intercom/phone automatic management Automatic exclusion of intercom & 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 & caller Double mobile phone management (or Mobile phone & GPS) Storing of 3 favourite numbers, with speed-dialling command Smart Navi System: intelligent management of smartphone navigator iPhone™ & Android™ Compatible. iPhone is a registered trademark of Apple Inc. / Android is a trademark of Google Inc. MP3 Player Bluetooth connection to A2DP Mp 3 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) Management from PC Management from PC via mini USB (Universal Serial Bus) wire (included) N-Com Easyset programme downloadable from the Support section. Adjustment of audio parameters, firmware update, saving quick-dial numbers Compatible with Windows, Mac N-COM App App not available Certificates/ Type-Approvals Certificates: Bluetooth 3.0 + HS, class 2 Type-approvals: FCC, IC, C-tick Bluetooth profiles: Headset, Handsfree, A2DP, AVRCP, Intercom Omnidirectional Bluetooth antenna optimized & patented to be positioned in the rear lower part of the helmet Audio Characteristics Full duplex intercom (HD quality) High quality audio hi-fi stereo Noise-dampening microphone VOICE PROMPT: system multilingual state voice instructions AUX Input Mini USB (Universal Serial Bus) connection cable for PC management included in the packaging Installation Perfectly integrated in the helmet Easy & fast installation by the user Keypad built into the helmet: ergonomic design, thin, easy to use even while wearing motorcycle gloves, just 3 control keys Can be transferred from one X-lite N-Com helmet to another (compatibles helmets) battery & battery charger Lithium battery, rechargeable & removable Battery low indication with acoustic & visual signal, auto-off function Talk time: 15 hours. St&-by time: 20 days USB (Universal Serial Bus) charger: 100/240V – 50/60 Hz Compatible with the following X-lite helmets X-1004/U.C. X-1003 X-903/U.C. X-702 GT/U.C. X-661/ET X-603 X-551 GT X-403 GT/U.C.