The Apple iPhone 13 Pro Max is a 2021 smartphone with a 6.7-inch Super Retina XDR display, the A15 Bionic chip, and a Pro camera system (Telephoto, Wide, and Ultra Wide). Key features include ProMotion technology with an adaptive 120Hz refresh rate, up to 1TB of storage, and IP68 water resistance. It was released with iOS 15 and is known for its long battery life and a 4,352 mAh battery.