COOLCOLD Vacuum Portable Laptop Cooler USB Air Cooler External Extracting Cooling Fan Notebook for 15 15.6 17 Inch Laptop

SPECIFICATIONS Voltage: 5V DC USB Ports: 1 Type: Single Fans Radiator Type: Air-cooled Package: Yes Origin: Mainland China Model Number: K27 Material: Plastic Feature 2: Cooling Fan Feature 1: Laptop Vacuum Cooler Fan Speed: 1300-3000±10%RPM Dimension: 176*86*52mm Brand Name: COOLCOLD Application Laptop Size: All Size Laptop COOLCOLD Laptop Vacuum Cooler USB Air Cooler External Extracting Cooling Fan for All Size Laptop KEY FEATURES Small and portable self-designed vacuum laptop cooler.  Fast cooling at least 20 degree. Unique design game style cooler. Manual fan speed switch. Specifications Material: ABS+Metal Dimension:176*86*52mm Fan Speed:1300-3000±10%RPM Voltage:5V DC Current:0.4±10% A Power:2W Max Airflow:21.35CFM     USE TIPS Begin to use, in order to fast cooling, open to the largest (3000 RPM), temperature drop down, About 15 minutes, transferred to the minimum (1500 RPM) remains constant, so that we can keep in a reasonable working tempera