high quality solid material: durable aluminum alloy body, smooth color, surface, one-piece forming, aviation grade oxidation process, colorless, oxidation resistant, scratch resistant, stable, anti-skidding, thickened silica gel pad at the bottom comfortable viewing angle: 270 degrees free adjustment angle vertical or horizontal placement of the phone for vertical or horizontal viewing humanized design: mobile phone can be played when charging,collapsible portable, convenient for transportation and storage