Motorcycle Helmet Bluetooth Headset/Intercom 1,500m intercom 2,call out,answer,hang up ... least, the device offers biker-to-biker intercom communication. This headset works with any Bluetooth equipped mobile phone. Designed and Engineered ... -Duty Performance.Features descritpion:* can be realized Bluetooth helmet headset with helmet headset 800 meters (Or 800-1000 meters) meters of direct ...