Drop Rating: The case has passed the 810G (516.5 shock and 514.5 vibration) test, ensuring maximum protection for your iPhone 13 pro max / 12 pro max.^ Drop height: After 1500 times, 5 feet drop test iphone 13 pro max with this case, we try to increase to 15 feet, 300 times. Phone and case intact^ Screen and camera protection: 2mm screen edge bump and 3mm camera edge bump, provide 360 degree protection for your iphone 13 pro max without dead angle^ Adjustable Ring: We have designed a double-layer 360 adjustable ring to allow your iphone 13 pro max to stand in any scene.^ If you have any questions, please contact us as soon as possible