The Samsung Galaxy Z Flip4 is the perfect smartphone for those who want a compact device with big features. With its foldable display, you can easily fit it in your pocket or purse, yet still enjoy a large screen for watching videos, browsing the web, and more. The cover screen lets you answer calls and texts without opening your phone, and the flex mode hands-free videoconferencing feature makes it easy to stay connected with friends and family. Plus, with Knox defense-grade security protection, you can rest assured that your data is safe. Experience the future of mobile technology with the Samsung Galaxy Z Flip4, 256GB, Unlocked, SM-F721ULVEXAA, and redefine your smartphone experience today.