1, more stable and firm: Y-shaped shell structure adopts thicker material and firm connection mode than tri-fold, which makes the whole shell firm and firm, and can provide better protection performance and prevent the flat equipment from being damaged by vibration and external impact.

2, more angle support: Y-shaped shell structure can provide different angle support than tri-fold, so that the tablet device can be placed stably in different perspectives and use scenarios, providing a good use and viewing experience.