According to the inquiry of Pacific Auto official website, Weimaitong v9s motorcycle helmet Bluetooth headset can talk for two people up to 500 meters, with good sound quality, noise reduction function and Hi-Fi support. At the same time, Weimaitong can be waterproof and travel in rainy days is not affected by the weather. It has a wide viewing angle of 120 and 8 million pixels, which meets the requirements of normal video recording.