The DefenderShield Cell Phone EMF Radiation Protection & RFID Blocker Wallet Case for iPhone 11 Pro Max is a unique and pioneering EMF protection solution that provides ultimate safety while using your cell phone. Backed by FCC-certified lab testing, DefenderShield technology blocks up to 100% of iPhone EMF radiation from 0-10 GHz emitted by your iPhone 11 Pro Max without affecting signal quality.Features at a Glance: - Multiple layers of advanced shielding technology in front cover block up to 100% of EMF radiation (RF and ELF) - Detachable magnetic wallet case with 3 RFID-blocking credit card/ID slots - Sleek, vegan leather outer material and textured rubber interior - Anti-shock, rubber phone nesting with thicker material on the corners for extra impact protection - Clip-on wrist strap provides flexibility while carrying your phone - Design folds and functions as a stand for landscape viewing - Secure magnetic tab closureThe DefenderShield Wallet Case for iPhone 11 Pro Max Blocks: - Cellular Radiation (RF Radiation) - WiFi Radiation (RF Radiation) - Bluetooth Radiation (RF Radiation) - Extremely Low Frequency Radiation (ELF Radiation) - RFID (Radio Frequency Identification)How Does the DefenderShield Wallet Case for iPhone 11 Pro Max Work?State-of-the-art DefenderShield technology uses multiple layers of advanced shielding materials that conduct, absorb, and dissipate unsafe levels of cell phone radiation emissions. When using your phone, just keep the shielded front cover between you and the device, which creates a barrier that blocks cell phone radiation.