◆ STEEL Original Brand authorization Authentic ◆ electrostatic adsorption design， touch sensitive dial without leaving adhesive residue ◆ oleophobic good clean water， isolated oil fingerprint dust ◆ anti-scratch wear antistatic， special professional coating technology Product Features ◆ antistatic ─ multi-level static adsorption design， easy adhesion without leaving adhesive residue can be washed ◆ hydrophobic oil ─ dial oleophobic properties water can cut off the oil， all without leaving a fingerprint dust scratch mill ─ ◆ special high-performance coating technology treatment， anti-scratch wear antistatic good clean