Only compatible with Galaxy S23 Ultra 6.8 inch (released in 2023) Please pay attention to your phone model RFID Technique: Radio Frequency Identification technology, through radio signals to identify specific targets and to read and copy electronic data. Most Credit Cards, Debit Cards, ID Cards are set-in the RFID chip, the RFID reader can easily read the cards information within 10 feet(about 3m) without touching them. This case is designed to protect your cards information from stealing with blocking material of RFID shielding technology. Luxury Material: Made of PREMIUM COWHIDE GENUINE LEATHER, provides SUPER impression, and keeps your phone SAFE and COMFORTABLE Large Capacity: Practical and Stylish. One Pocket and two Card Slots for store your business cards, ID card, and some notes, etc Multiple Functions: Kickstand function is convenient for movie-watching or video-chatting. Strong magnetic closure keeps your phone safe like glove, fall assistance. Interior TPU case with precise cutting and buttons, provides easy touching and quick response