About this itemCompatible: Specifically designed for Samsung Galaxy S8+ / S9+, UV light with the latest upgraded usb connector, no need battery any moreOptical adhesive full adsorption design, no edge warp, no bubble and no gaps fit, dustproof and waterproof, Give you great touch feel without stickersCurved full-screen overlay design for perfect screen protection while ensuring smooth feelTouchened glass has high transparency, and the color never changes; the surrounding part is smooth to protect the screen from being smashed; Coating of oleophobicity: anti-fingerprint,anti-oil,anti-acid and anti-alkali