1：Precautions and usage video for Bumblebee Helmet
1. Do not use your hands to break the face mask and back cover when powered on2.In case of special circumstances that require manual movement of the face mask or back cover, the power must be turned off
3.When manually opening the mask, you need to hold your hand on the internal circuit board and gently push to open it
Please make sure to achieve the above three points, otherwise your helmet is likely to malfunction