KUQIBAO K11 Motorcycle Helmet Waterproof Subwoofer Bluetooth Headphones(Hard Microphone)

1. Battery capacity: 2000mAh 2. Waterproof grade: IPX6 3. Bluetooth version: 5.3 4. Transmission distance: 20 meters (without obstacles) 5. Intelligent noise reduction without noise, using advanced Bluetooth 5.3 solution to reduce signal disconnection and noise caused by 2.4GHZ frequency band interference 6. 2000mAh lithium battery, TYPE-C fast charging, 20 minutes of charging, 30 hours of talk time, 3 hours of battery life, 18 months of standby, 48 hours of continuous playback 7. The unique structure of the 40MM graphene diaphragm speaker, HIFI-level sound quality, fully packaged 8. The sound quality is fuller, the microphone has dual noise reduction, the windproof sponge is protected, and the call is clearer and purer High-definition sound quality, multi-layer noise reduction, filter noise and effectively reduce decibels High-definition call quality 9. One key to wake up the AI voice assistant, short press the voice key to wake up the voice assistant 10. Two mobile phones can be connected at the same time, and one device can be freely selected to switch listening to music, navigation, and answering calls. 11. Split installation, simple and safe, more convenient charging 12. IPX6 waterproof and deep waterproof. During the motorcycle journey, you will be with you all the way, without fear of rain splashing or mud and dust invasion 13. Weight: 60 grams 14. Dimensions: 85x35mm