Cooling fan is important for notebook computer at all seasons. Now we particularly recommend you this n135 cooling fan which must satisfy your demand. This cooling fan is compatible with 14-17" notebook computer. The full-scale design brings you more space of application. The creative 5 fans design makes it runs at high speed which will bring strong wind. This cooling fan performs well on heat dissipating. It is great to remove the waste heat produced by computer components， which is to keep components within their safe operating temperature limits. In addition， the height of this cooling fan is adjustable that you could adjust it according to your need. Noiseless feature brings you a quiet work environment.                                    Features               <br> It protects your valuable data by keeping your notebook computer cool<br> The cooling fan features efficient heat dissipation and low noise <br> You can work as long as you like without overheating your computer<br> Keep your computer cool and comfortable on your lap or at your desk with this cooling fan <br> Made of high-quality material， it is durable in use<br> Perfect design for high compatibility and excellent compose<br> Adjust height according to your need<br> Extend the life and functionality of your laptop<br> Convenient， reliable and comfortable to carry<br> Blue light design， beautiful and fashionable   <br>                                                            Specifications             Dimensions     (14.17 x 10.63 x 1.14)" / (36 x 27 x 2.9)cm (L x W x H)    <br> Weight     29.56oz / 838g    <br> Fan Dimensions     140 x 140 x 15 mm， 70 x 70 x 15 mm    <br> Rotational Speed     750-1500RPM    <br> Air Flow     23-44CFM    <br> Voltage     5V DC    <br> Current     0.4A    <br> Power     2W    <br> Color     Black    <br> Fan Noise     11dba    <br> Compatible with     14-17" Notebook     <br>                                                             Package Includes            1 x Notebook Cooling Partner<br>1 x USB Cable<br>