Strong heat radiation, ultra quietfan speed, adjustable temperature high light mirror treatment process. Intelligent 3 generation temperature control induction, when the notebook temperature reaches 40, the fan automatically runs at high speed. When the temperature is lower than 40, the fan stops. Manual mode: In the manual mode, the fan speed can be controlled manually by the manual adjustment knob, and the speed can be adjusted quickly, which is not comparable to the speed regulation of several gears. Anti-skid device: strong anti-skid coefficient, anti-slip effect on both sides, firm, simple and intimate. Novel appearance: use a variety of game carving elements. With a cool concept, tailor-made, cool sculptures, personality flying. Type:Vacuum Portable Laptop Cooler Product dimensions:175 x 86 x 52mm Fan size:75 x 75 x 25mm Rotational speed:1500-300010%RPM Air flow:75.35CFM Voltage:5V Current:0.3510%A Power:1.75W The product appearance and printed words depending on the batch, but this does not affect use. Colour:As Shown Material:ABS Package Contents: 1 * Laptop Cooler with accessories Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.