Optical high-definition magnification: The screen uses optical high-definition zoom technology to enlarge content 3-4x for clearer viewing. Sliding design for protection and portability: Stretch the round silicone button to reveal the screen; this sliding mode protects the display and is easier to transport. Simple operation for multimedia and gaming: The screen magnifier doubles your phone display, making it ideal for watching movies and videos on a high-definition smartphone. Add a keyboard and use it to play games. Rugged, durable, with high clarity: The frame design allows you to raise the viewing angle for comfort, and the non-slip silicone pad protects and stabilizes the phone during use. Strong compatibility and comfortable experience: Works with most smartphones; the magnifying screen can be used with your device for a 3D visual experience and reduced visual fatigue. Applications and use scenarios: - On the go: watch movies or video content on your phone with a larger, more comfortable screen during travel or commuting. - Gaming or typing: connect a portable keyboard and use the enlarged screen to play games or type more easily. - Relaxed viewing: enjoy longer viewing sessions with a clearer image and reduced eye strain.