One-to-one connection for those with a passion for engines.Interphone Link is ideal for rider – rider communication, for distances of up to 300 meters or rider – passenger communication. Suitable for anyone who loves to travel while remaining connected, sharing the excitement of the trip or the useful information along the way.Rider – rider conference.15 hour battery life.Connection up to 300 mt range.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.Radio FM/RDS.App per smartphone.It can also be used when it rains.The intercom can be updated using the pc or the mac.Bluetooth 4.2.