1. The surface fits and protects the corners, the edges are smooth, not scratching 2. Full coverage of the hole position, dustproof and not into the ash 3. 9H hardness, tempered hydraulic layer, enhanced scratch resistance, external pressure resistance 4. Upgrade the hydrophobic oleophobic layer, drip into beads, anti-fingerprint, smooth touch smooth 5. Quick film, one second fit, new SGS ion adsorption technology, easy to automatically discharge air
