Give your Samsung Galaxy S25 Ultra stylish and functional protection with this black case with viewing window and card holder. With a practical window, you can quickly see notifications and answer calls without having to open the case, while the card slot gives you easy access to important cards in everyday life. Specifications: Color: Black Material: PU leather, Plastic (PC, TPU) Features: Display window, Card holder, Full-cover case, Protects screen and camera Compatible with: Samsung Galaxy S25 Ultra Benefits of Samsung Galaxy S25 Ultra Cover - Black Answer calls and get notifications quickly through the display window Card holder for easy organization of credit and ID cards PU leather resists fingerprints and maintains a stylish appearance Protects both the screen and camera lens from scratches and bumps How to use "Smart Window": Scan the QR code on the user manual and download and install in your browser. Open the application's floating window. Activate the app and place your phone's NFC so that it meets the activation point against the case. Once done, you can answer or decline calls directly from the smart window.