?QUALITY PRODUCTS AND CUSTOMER SERVICE GUARANTEE:Abundant Accessories & Great Helmet Compibitility?You can choose the appropriate way to install the intercom according to the helmet type(open face,flip-face,full face helmet) and your personal usage habits because you will get 2* interchangeable microphones,1* clip, several 3M stickers and other useful accessories.When you purchase our products, you also purchase professional and high-quality services. We reply and assit you within 18 hours. ?HANDS-FREE CALL & IP67?This Q7 motorcycle helmet communication system will answer phone call automatically after rings 10 seconds, you can also answer, reject and end up the phone call by MFB button. To trigger Siri/ Google Assistant, just double press the MFB button when the motorcycle Bluetooth communication system is not occupied, which is convenient and greatly safer for motorbike riding. IP67 waterproof allows you to use Bluetooth headsets freely in any situation. ?Excellent CVC Noise Cancellation, Stereo MP3 & FM radio? built in high fidelity speaker with differential direct-drive headphone amplifier and professional wind noise microphone with CVC noise reduction technology, The other party can hear your voice more clear because Q7 use the CVC (clear voice capture) technology actively captures and filters the noise of the surrounding environment during the cycling call, Built-in FM radio, you can listen to the radio while riding. ?Bluetooth 5.0 & Fast Pairing?Using professional 5.0 Bluetooth chip,While achieving low power consumption, greatly increase the data transmission rate,guaranteed high-quality sound, fast pairing within 2S, strong compatibility, zero lag during use, extending use time. ?7 Devices Connections & 2 Riders Real-Time Intercom? The latest Q7 motorcycle bluetooth headset supports up to 7 devices to connect, 2 riders real-time intercom, maximum use distance is 800m;Big buttons make the operation easier.