一款手机支架，由两块板子组成，通过将支撑板滑入不同的插槽，可以调整支撑角度。支撑板后插槽可以实现本工具的收纳，便于携带。

A mobile phone stand composed of two boards, and the support angle can be adjusted by sliding the support board into different slots. The rear slot of the support plate allows for the storage of this tool, making it easy to carry.