For laptops with a screen size up to: 15.6 " Fan: 2 x 140mm (Blue LED) Fan speed: 800 – 1000 +/- 10% rpm Bearing type: Rod Fan life time: 40000 hours. Airflow: 20 CFM (Maximum) Noise levels: 20 dBA (minutes) Angle: 0 ° – 35 ° (5 Positions) USB Hub Rated voltage: DC 5V Material: metal mesh / plastic Black color Weight: 0.667 kg Dimensions: 350 x 250 x 30/123 mm