What you want to ask is which one is better, a mobile phone holder, a helmet or an umbrella? Cell phone holder helmet. According to the query on the World Wide Web.
1. Wearing a mobile phone holder on your head can free your hands to do other things, such as chatting, playing games, etc.; umbrellas need to be supported by hands, which causes a lot of inconvenience.
2. The head-mounted mobile phone holder can also be adjusted according to personal needs, adapting to different head sizes and angles, and can be easily rotated and adjusted to the viewing angle; the umbrella is fixed and cannot be adjusted.