EuroFone V4 2100m 4 Riders Motorcycle Helmet Intercom Waterproof with bluetooth Function

Description 1 Support 2 people 3 people 4 people connected to full duplex intercom up to 4 simultaneous intercom 4 people intercom at the same time the maximum intercom distance is 2100 meters the distance between the first and fourth person can reach 2100 meters any two in the middle 700 Meter 2 bluetooth connection to the phone you can connect two mobile phones at the same time distance 10m It can realize automatic answering manual answering hanging rejecting end number redial voice dialing and other functions 3 Connect the phone to play music press the button to control the previous next song plus minus the volume 4 In the intercom you can manually switch to the mobile phone When the mobile phone calls it automatically switches to answer the call and hangs up the phone to automaticallyswitch back to the intercom You can switch between music intercom and phone functions 5 Support single microphone software for cancellation and noise suppression to ensure clear voice call quality 6 Can be played in GPS or stereo media switch with bluetooth intercom voice DSP noise reduction function 7 Waterproof rating IP678 Reportable power three levels sufficient power half of electricity low battery 9 Built in FM radio function button to adjust volume and radio 10 Low electricity notification 5 minutes notice low power 11 Can be paired with other models of bluetooth headset helmet bluetooth intercom helmet bluetooth headset ordinary bluetooth