Midland's BT R1 ADVANCED offers a battery autonomy of up to 23 hours of continuous operation and is compatible with mobile smartphones, GPS navigators, TFT systems, intercoms of other brands and models. It has the possibility of selective one-to-one communication of up to 4 people, simultaneous communication (BT conference) of up to 4 people with a maximum range of 1,200m. It has a DNK (Digital Noise Killer) digital Noise Filter, FM stereo+RDS radio. It also has 2 mobile phone/GPS connectivity, IPX6 waterproofing and RCF Power Super Bass HI-FI speakers.