?IP65 Waterproof and Dustproof?Designed with an IP65 waterproof and dustproof rating, this motorcycle helmet bluetooth headset is built to withstand various weather conditions, ensuring a delightful driving experience coupled with outstanding performance. ?Built in 570mAh battery, the helmet bluetooth headset provides up to 300 hours of extended standby time, 17 hours of talk time, and 15 hours of music playback. Enjoy worry-free riding with the convenience of charging while on the move. ?Dual-Core Bluetooth 5.0?Our motorcycle speakers employ highly stable dual-core Bluetooth 5.0 technology, support ACC audio for low distortion, low latency, and high-speed connections. Our motorcycle communication systems also support connect with third-party brands and connect 2 phones simultaneously and paired with 99.9% of bluetooth devices on the market. Choose between two installation methods, for effortless and adaptable installation on various bluetooth helmet models. ?Dual Noise Reduction?Equipped with CVC and DSC dual noise reduction technologies, this motorcycle bluetooth headset ensures crystal-clear communication and music even at speed of up to 80 km/h. The low-drag circular wheel streamlined design of the helmet intercom exhibit unique style and deliver a dual feast of noise and wind reduction. The HiFi stereo motorcycle headset deliver high quality sound, with vivid treble and clear bass that transport you into the heart of the music. ?Advanced Encoder Technology?Our motorcycle helmet bluetooth employs advanced encoder button technology, cleverly integrating the buttons onto a sliding wheel. Achieve versatile one-touch operations within 2s without distraction. Say goodbye to complexity with stress-free blind operations. The motorcycle helmet speakers support USB data cable self-upgrade programs, allowing you to connect to our Freedconn website for online updates, eliminating the hassle of sending it back to the factory. ?6-Rider Full-Duplex Motorcycle Intercom?Freedconn motorcycle bluetooth helmet supports full-duplex intercom for 6 riders simultaneously, allowing you to stay closely connected with your team, and the intercom distance is up to 1000m. The music sharing function of motorcycle bluetooth intercom allows you to enjoy music with your teammates. Built-in FM motorcycle bluetooth headset supports automatic call answering/rejection and voice dialing help you focus on driving pleasure.