EstgoSZ 2x BT 1200m Wireless Motorcycle Helmet Bluetooth 3.0 Intercom Headset Motorbike Interphone Connect Up to 6 Riders for Outdoor cycling, skiing, mountain climbing What You Get2017 NEWEST VERSION V6 1200M Range 6 Riders Motorcycle Heltmet Intercom Bluetooth Headset Two User Full Real-time Communication Sports for Outdoor cycling, skiing, mountain climbing Interphone up to 8 Hours Talking Time wireless helmet headsets, which designed for installation into most open-face, flip-front and full-face style helmets 6 Riders CommunicatorFull duplex interphone supports 6 Users, a host and 5 auxiliaries. Once upon pairing, the host can choose any one of the 5 to talk to,Motorcycle Bluetooth headset provides two-way intercom to keep you connected to your riding companions (but ONLY 2 riders intercom at same time) Long Distance IntercomWireless bluetooth intercom between separated riders is available at a distance of approx 1200m Hands Free InterphoneIt supports Bluetooth wireless music streaming and hands free, so that you can enjoy the music or answer/reject the phone call easily.Bluetooth 3.0 connectivity can listen to and share music, make phone calls with speed dialing, and participate in a four-way intercom conversation Multi-functional applications outdoor skiing, mountain climbing, motorcycles, guided tours, commanders. So you have a convenient real-time intercom, Easy to install and use. any questions feel free to contact us