Connectivity/Communication -BLUETOOTH - 5. 2 or latest version if available Headset Profile (HSP) -Hands Free Profile (HFP) -Advanced Audio Distribution Profile (A2DP) -Audio Video Remote Control Profile (AVRCP) -Paring 2 devices simultaneously (PHONE + GPS) Phone -Universal connectivity audio standard only -Speaker & Microphone-Automatic volume Audio -Sharing FM RADIO- RDS - 10 preset station memories Working distance -Bluetooth Intercom: up to 0.8km in open terrain Bluetooth intercom: 4 riders -Load -USB-C fast charging (waterproof) -Charging while driving Talking time: -Bluetooth Intercom: up to 13 hours -Waterproof device -Compatible with X.WED3, X.WST3, Y.100R and Y.100