1. Material: ABS 2. Applicable: adjustable width, most equipment, easy to install and use 3. 360-degree adjustable rotation, multi-directional visual viewing 4. Compatible with 4.5-12.9-inch mobile phones/tablets 5. Strong support, adjust the angle at will 6. Use high-quality soft rubber foot pads to prevent installation from scratching objects and increasing friction. 7. The installation diameter is 15-50 mm, and the locking is not loose. 8. Weight: 242 grams