Two identical foldable 5.2” Gorilla Glass Gen 5 display. 3 Modes - Dual, Extended & Mirror. Double Your Expectations - Dual Mode provides virtually unlimited potential in app combinations so you can do more, all at once. This is Huge - Two identical Full HD screens combine to give you a stunning 6.75” tablet-like display. This Extended Mode lets you play games or watch your favorite shows on a larger screen, when and where you want to. Share Your Screen - Sit across from your friends and watch the same content on one device. Simply fold the device in Mirror Mode and place it on a table for easy viewing from two separate sides. Adapts to your needs - When you aren’t watching sports, catching up on your favorite shows, or surfing the web, Traditional Mode gives you a great everyday smartphone that’s easy to use and hold in one hand. Frequencies: GSM 850/1900, UMTS 850/1900/AWS, LTE 2/4/5/12/29/30/66. US warranty Included. The phone is unlocked to work with all GSM Carriers like AT&T, T-Mobile, Etc. Will NOT work with CDMA Carriers Such as Verizon, Sprint, Boost.