Model R9-NBC-I1HK-GP (Black) R9-NBC-I1HB-GP (Blue) R9-NBC-I1HG-GP (Green) R9-NBC-I1HO-GP (Orange) R9-NBC-I1HP-GP (Pink) R9-NBC-I1HR-GP (Red) R9-NBC-I1HW-GP (White) Materials Metal Mesh, Plastic Weight 0.68 kg / 1.5 lbs Dimension 350 x 250 x 23~39mm (W x H x D) Fan Dimension 140 x 140 x 15mm (W / H / D) Fan Speed 1200 rpm+/-15% Fan Speed Adjustment Single speed Fan Airflow 38 CFM Fan Noise Level 21 dB(A) Power USB (DC 5V) USB USB 2.0/1.1 x1 Power Consumption 1.1 W Compatibility Support up to 15.4″ laptops