Zalman NS1000 laptop cooler is special designed to cool down up to 16 inch laptop. Metal mesh 1 x 180mm fan flip-up silicone holder 4 adjustable stand height settings 2 USB ports Quite 5 Level angle adjustment (5 level angle adjustment 7.5˚ 20˚ 30˚ 45˚ 50˚ for user convenience.) Low Noise 180mm Cooling Fan. Supports up to 16inches Notebook (Supports various size notebooks and bigger notebooks up to 16”. ) Strong and quiet cooling power (Strong and quiet cooling power with efficient airflow structure together and 180mm fan.) Back cable management (Back cable management holder big enough to accommodate all your cables for tidy work environment.)   Cooling system type of cooling  Active number of fans  1 × Fan diameter  180 mm Max. fan speed  550 RPM Features Max. supported diagonal of your laptop  16"; Material  Metal and plastic Interface power  USB The number of USB ports  2 × Other functions Other functions  Positioning Dimensions and weight Width  352 mm Height  45 mm Depth  315 mm Weight  1300 g