Features: Super quiet fans create a noise-free & interference-free environment for you. Ergonomic stand allows you to play games or watch movies at a comfortable angle. The 2 stoppers on the front to prevent laptop from falling off. Box on the bottom for storing the USB cable. One built-in big fan (Diameter130 x 20mm) with blue LEDs. Strong, durable but lightweight construction with metal mesh front. The special USB hub design allows for connecting other USB device. (Only for the black color) Specification:Color: Black, Blue (Optional)Material: Iron mesh + engineering plasticsCooling Method: Air-cooledFan Size: Diameter130 x 20mmBearing Type: Hydraulic Bear (Hydraulic Bearng)Rated Voltage: 5V DCRated Current: 0.25 + 10% AInput Power: 1.3Fan Maximum Speed: 750-1500RPMMaximum Air Volume: 23-44CFMNoise: 25.1db (A)Size: 33 x 25 x 3cm / 12.99 x 9.84 x 1.18inchPackage Weight: 440gQuantity: 1pcFitments: For 14" or below Laptop Package included:1 x Laptop Cooler Pad Base.Note:Please notethat the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.