[High-quality stereo sound effects and dual noise reduction] The motorcycle helmet speaker provides excellent sound quality during music and calls. It uses Bluetooth 5.3 technology to effectively reduce disconnection and noise caused by interference in the 2.4GHz frequency band. Dual intelligent noise reduction effectively reduces surrounding noise and improves call quality.[Voice Assistant Automatic Answer] The motorcycle headset has an intelligent voice assistant system. Short press the voice button to wake up the voice assistant to take action without distracting your attention. Incoming calls are automatically answered without manual operation. It is safe to ride OK.[1000mAh battery life] The motorcycle helmet speaker has a built-in 1000mAh battery, which can be fully charged in just 20 minutes. It has an ultra-long battery life of 32 hours. It can be used continuously for about 10 hours when the light is on. It supports TYPE-C fast charging and displays the battery power on the phone.IPX6 Waterproof and DustproofThe motorcycle headset has IPX6 waterproof function, which can help you cope with all weather conditions such as dust, rain, storms, snow and low temperatures of -20F, protective treatment, durable and suitable for all helmets, bringing you a comfortable wearing experienceConnect two devicesThe motorcycle helmet speaker can connect to two mobile phones at the same time, you can freely choose one device to switch between listening to music, navigation and answering calls, ensuring a smoother and safer riding experience and avoiding dangerous accidents. Repeat operation