1. Material: ABS + PC + aluminum alloy + silicone. 2. Surface technology: sun pattern + polishing. 3. Size 91*90*95mm. Weight 61g. 4. Chuck range: 60mm-85mm. 5. Applicable to: 3.5-6 inch mobile phones. 6. Applicable mount: air outlet. 7. Gravity car holder, stable and easy to use