USB pad computer with adjustable height – SBOX For laptops with a screen size up to: 15.6 " Fan: 140mm (Blue LED) Fan speed: 1100 +/- 10% rpm Bearing type: Rod Fan life time: 40000 hours. Airflow: 47.35 CFM (max) Noise levels: 21 dBA (minutes) Corner: 2 seats USB Passthrough Rated voltage: DC 5V Material: metal mesh / plastic Black color Dimensions: 330 x 250 x 27mm Weight: 529g