KTC Yexin Screen is a decentralized display device suitable for multi-use scenarios. We have built a pneumatic spring in its bracket to support the adjustment of its lifting. The mobile smart screen supports a variety of input methods such as voice, touch, handwriting and keys, providing strong support for its application in different scenarios. In terms of use experience, the product supports multi-state use such as mobile phone screen projection, horizontal and vertical screen switching, voice input and touch control, and has a good user experience.