1. Material: Aluminum Alloy + DuPont PA
2. Suitable for tube diameter: 32-25-22mm
3. Suitable for cell phone size: 3.5-6.5 inch
4. Mechanical screw fixing, stable and not fall off
5. Curved edge clamp design, tightly protect your cell phone
6. Compatible with a variety of models: motorcycle / electrical car / bicycle universal
7. Two mounting options: mounted on the handlebar; mounted on the rearview mirror seat
8. Weight: about 154g