0.2MM Invisible Ultra-Thin
Material
High aluminum silica glass
Advantage
The thickness of the glass is only 0.2mm, ultra-thin and the touch sensitivity is increased by 40%; 
Triple-strength toughening process,0.8mm Edge test edge bearing capacity ≥ 25KG, breaking through the industry limit
Double-sided polishing technology, the glass is more transparent, and the
 light transmittance is 92%-93% 
Dustproof earpiece design, full dustproof coverage for better aesthetics