KUQIBAO Motorcycle Helmet Waterproof Bluetooth-compatible Headset With Light 1. Transmission range: 10 meters 2. Channel: stereo 3. Single or dual ear: bilateral stereo 4. Function: support bluetooth, waterproof, noise reduction, voice 5. IPX6 deep waterproof, no fear of dust and rain, ensure worry-free journey, tight and stable structure 6. Bluetooth chip 5.3, low power consumption, stable connection, low latency, better sound quality, more stable signal 7. LED lighting, double-click the voice assistant button to turn on the light, simple and easy to use, easy to deal with dim and complex environments 8. Short press the voice button to wake up the AI ??voice assistant 9. 25 hours of long-lasting battery life, 1000mAh large capacity, AI power management chip, strong battery life for a whole day 10. High-end composite diaphragm, restore the essence of music to the greatest extent 11. Automatically answer the incoming call after the voice broadcast of the phone number, no manual operation is required and it is safer 12. Using mobile phone silicone microphone, CVC and DSP dual intelligent noise reduction, filtering noise effectively reduces decibels and improves call quality 13. Can connect two mobile phones at the same time, freely choose a device to switch between listening to music, navigation, and answering calls Packing list: - K25 host x 1 - Speaker microphone x 1 - Clip base x 1 - Installation sticker x 1 - Type-C charging cable x 1 - User manual x 1