Compatible with APP control. 1. 360° All-round Protection Design: Made of aerospace-grade TPU+PC material, passed a 1.2-meter military-grade drop test, with four-corner airbag technology, fearless Compatible with drop impact, providing all-round protection Compatible with the phone's screen and body. 2. Precise Cutouts: Fully covers the lens/buttons without obstruction, supports fast charging, perfectly fits the headphone jack, and does not affect functionality. 3. Antibacterial Coating: Effectively inhibits 99% of common bacteria, protects hand hygiene, and is skin-friendly and comfortable. 4. Food-grade Liquid Silicone: Soft and skin-friendly, SGS-certified non-toxic, safe Compatible with infants and young children. 5. Ultra-thin Design: Light as a feather, perfectly conforms to the phone's curves, smooth to hold, like using the phone without a case. (APP control, non-chip version, non-popup version) (Standard: Galaxy S23 Ultra phone case)