1.Material: ABS+aluminum alloy+silicone-2. Surface technology: sun drying pattern+oxidation-3. Size: 82 * 60 * 40mm; Weight: 70g-4. Fan: Hydraulic silent fan; Motor: Brushless motor-5. Speed: 6000 ± 10% RPM, three speed adjustment-6. Suitable for 6.1-7 inch mobile phones (clamp width: 60-85mm)-7. Quarter screw thread, can be used for devices such as selfie sticks