- Material: ABS+aluminum alloy-2. Surface process: oil injection + oxidation-3. Size: 1006133mm; Weight: 90g-4. Fan: Hydraulic silent fan; Motor: Brushless motor-5. Speed: 4500±10%RPM, three gears-6. Refrigeration temperature: -3°C±5°C -7. Suitable for: 4.5-7 inch mobile phone (chuck width: 54-86mm)