COOLCOLD Vacuum Portable Laptop Cooler USB Air Cooler External Extracting

Dimension: 176*86*52mm Fan Speed: 1300-3000±10%RPM Voltage: 5V DC Feature 1: Laptop Vacuum Cooler Feature 2: laptop Cooling Fan Brand Name: COOLCOLD Model Number: K27 Application Laptop Size: All Size Laptop Size: 9-inch USB Ports: 1 Package: Yes Radiator Type: Air-cooled Material: Plastic Origin: Mainland China Certification: NONE Type: Single Fans Choice: yes semi_Choice: yes