Materials: Aluminum, Plastic, Rubber Weight: 1.1kg (38.8oz) Dimensions: 435 x 333 x 76 mm (17.1 x 13.1 x 3.0 inch) Fan Dimensions: 80 x 80 x 10mm (3.2 x 3.2 x 0.4 inch) Fan Speed: 950 - 1800 ±15% RPM Fan Airflow: 15.42 CFM (each fan) Fan Noise Level: 21 – 23 dBA Power: USB 5V DC USB: USB 2.0/1.1 x1 (Extension) Current Consumption: 0.24A - 0.46A Power Consumption: 1.2W - 2.3W Compatibility: Supports up to 19 #34; laptops Color: Black / Silver / Titanium