Power : USB 5V DC USB : USB 2.0/1.1 x 1 (For Power Input) Current Consumption : 0.38A Compatibility : Supports up to 17" laptops Cooler Type : Notebook Cooler Power Consumption : 1.1W - 1.9W Series : Notepal Power Consumption : 1.9W (LED version) Fan Dimensions (L x W x H) : 160 x 160 x 15 mm / 6.3 x 6.3 x 0.6 inch Fan Noise Level : 16 - 21 dBA Fan Airflow : 35 - 70 CFM Fan Speed : 1400 RPM ± 15% (LED version) Fan Noise Level : 21 dBA (LED version) Dimensions (L x W x H) : 370 x 270 x 36~54 mm / 14.6 x 10.6 x 1.4 ~ 2.1 inch Fan Airflow : 70 CFM (LED version) Weight : 0.8kg / 1.8lbs