Keep your notebook cool Adjustable height for optimal viewing and typing angle Extra quiet cooling fans prolong your laptop life Compact design, but suitable for notebooks up to 15.6" LED light in fans for nice light effect under your notebook Compact dual-fan notebook cooling stand for any notebook (max. 15.6") Ergonomic design with height adjustment for optimal viewing/typing angle Two silent cooling fans prevent your notebook from overheating With practical USB passthrough connector LED backlight in fans Specifications Material: metal and plastic Cooling fans: 2 pcs, 1500 RPM (± 10 %), airflow 20 CFM (± 10 %) each, noise 10 dBa Fan diameter: 125 x 125 x 15 mm Height adjustment: 1 step (0-5 degrees) USB cable length: 0.5 m USB connector: passthrough type (in/out) Dimensions (LxWxH): 340 x 250 x 23 mm (folded) Power consumption: 5V, up to 0.4 A Net weight: 0.45 kg