Motorcycle Helmet Waterproof Noise-reducing Headset 1. Bluetooth: Jieli BT5.4+ Jieli BT5.4 dual-core chip 2. Built-in polymer lithium battery 3.7V, 1000mAh (782052) 3. Transmission distance: 10M 4. Two-person intercom, intercom distance is 500M 5. It is suitable for 90% of the ordinary Bluetooth headsets on the market. 6. Support mixing: exists at the same time as music during intercom 7. Music Sharing: Music Sharing and Intercom exist at the same time 8. Light mode: supports light turn off and on 9. Standby time: 270 hours 10. Call time: 25 hours; Intercom time: 15 hours 11. Waterproof level: IP56 12. Split installation (the back clip can be separated from the host) 13. AI voice assistant: support 14. Supports connecting two mobile phones at the same time 15. Automatically answer the phone number after the incoming call is broadcast, which is safer and more convenient without manual operation (the manual mode can be switched) 16. The default Chinese and English voice for booting (customized in Spanish, Portuguese, Turkish, Indonesian, and voice) 17. ABS silicone is designed with tight structural design, providing deep protection for internal parts and can be washed with rainstorm-level rainwater 18. Use upgraded diaphragm custom speakers, single frequency equalization medium frequency full low frequency clean high frequency without drying, and maximize the restoration of the essence of music, and imagine HIFI sound quality 19. CVC algorithm + DSP hardware combined with professional noise reduction mark can effectively reduce environmental noise and make the sound scene more immersive 20. Packaging List: Y12 Pro Product x 1; Back clip x 1; Instruction x 1; Installation Pack x 1; Mark x 1; Charging cable x 1