??10-Way Conference Intercom & Universal Pairing??The LX-B4FM motorcycle bluetooth headset share the riding experience and enjoy conversation with up to 10 riders talk at one time at an intercom range of 2000 meters. Universal pairing feature, compatible with most of the Bluetooth headsets or earpiece in the market. ??Music Sharing & Noise Cancelling??This helmet bluetooth headset featured music sharing that allows two riders enjoy the same song during their trip. And it also functions well for speeds up to 120km/h with DSP& CVC advanced noise cancellation technology. ??Hands-free Speaker & Hi-Fi Stereo Sound Quality?? The LX-B4FM motorcycle helmet bluetooth provides easy hands-free communications for you while riding. And it featured Bluetooth 5.0 with access to Siri and S Voice commands, you can call or answer hands-free calls, listen to the best Hi-Fi stereo music, FM radio or listen to GPS voice guidance. ??Exchangeable Microphone & Great Helmet Compatibility?? The LX-B4FM moto