1. 360-degree rotatable angle to meet different needs. 2. It can be freely stretched up and down, and the height of 29-49cm can be lifted and lowered at will. 3. Widely compatible with mobile phones/tablets. 4. Silicone pad, stable and non-slip. 5. Enlarge the chuck and expand it by 22.5cm. 6. Material: ABS/aluminum alloy/silicone 7. Scope of application: 4.7-12.9 inch equipment 8. Weight: 886g