Features: Built-in 6 powerful fans for rapid heat dissipation, you can adjust fan speed according to your needs. Adopt low noise tur-bine motor, no need to worry about disturbing others. 6 different angles can be selected to adjust the laptop screen to a comfortable height to avoid joint discomfort caused by wrong office posture. Double USB ports design, external USB devices can be connected, not occupy USB interface of the laptop. Metal mesh surface, not only has high heat conduction value, but also has strong heat absorption and more efficient cooling ability. The foldable anti-slip baffle prevents device from sliding downward, effectively avoid device wear. Strong bearing capacity, compatible with laptops below 17 inch. Specification: Type: Laptop cooler Color: Black Adjustable angle: 6-gear Number of fan: 6 Fan speed: 240015RPM USB port: 2 Power supply mode: USB Supported laptop size: Under 17 inch Input voltage: DC 5V Item size: 37 * 27.5 * 3cm /14.57 * 10.83 * 1.18in Item weight: Approx. 764g /26.95oz Packing list: 1 * Laptop cooler 1 * Data cable