Full optional connection to enjoy your world on two wheels.Interphone Tour. Constructive quality at the highest levels and elegant shapes characterise the most powerful and at the same time easy to use intercom, just one in the range.Group conference up to 4 intercoms.Quick pairing between intercoms.Fast charge.Connection up to 1.5 km range.25 hour battery life.For all helmet models.Connects to all intercoms.Direct access to functions.Automatically adjusts the volume for optimal sound quality.Connection to the smartphone.Music listening and sharing.FM / RDS radio.Smartphone app.It can also be used when it rains.The intercom can be updated using the pc or the mac.High quality stereo sound.Automatic reconnection in case of loss of the BT signal.Ability to manage the smartphone via voice commands of Apple and Android.You can share a phone call.Bluetooth 4.2.