Lexin G1 Motorcycle Bluetooth Sound quality for helmet,Bluetooth helmet headset, upgraded High Definition Speakers, Changeable decoration shells, Voice assistant Thank you for choosing Lexin G1 - Motorcycle Bluetooth headsets ! Features ①、Hands-free Speaker& Hi-fi Stereo Sound Quality ②、 -Optional pattern shell ③、 Support Siri or other voice assistant ④、Bluetooth 5.0 ⑤、Headphone size upgraded to 40MM ⑥、High Definition Speakers, Sound quality upgrade ⑦、Built-in CVC/DSP noise reduction, Upgraded noise cancellation function ⑧、IP67 Waterproof ⑨、USB - C USB quick charge equipped ⑩、Support play music 11. Support Siri or other Voice Assistant 12. Connect to GPS Navigation 13. 800mAh Battery Standby time:7 Days Working time:13-18 Hours Big button design Easier operation even with gloves Optional pattern shell 4 colors optional cases, choose a right color to match your helmet. IP67 waterproof Riding in -22 degrees Celsius CVC/DSP Noise Reduction Enjoy clear and loud sound up to 120KM/H