Effective cooling performance with high quality material. Compatible with 17" notebooks and below. Large 200mm fan with big airflow offers high cooling performance. Big area of hexagon mesh allows optimal airflow to cool the notebook efficiently. USB cable management and extender make working enviornment neat and tidy.nnSingle Supreme VentilationnA massive built-in quiet 200mm LED fan with adjustable fan speed offers big airflow and high cooling performance and to reduce the overall temperature of your laptop/notebooknnLED Light and fan speed controlnThe including LED light switch and fan speed controller allows user to adjust the lighting or the fan speed with easennUSB cable management and extendernUnique USB cable management and extender for easy organizing and extention to make working enviornment neat and tidy.nnHexagon Shaped MeshnBig area metal mesh allows optimal airflow to cool the notebook efficiently. The hexagon shaped mesh allows the best airflow rate to aid cooling.nnErgonomic HumanitynV20 designed with all the ergonomic concept, test out the appropriate ways for user , with the best visual angle and the height position of the hand. The anti-slip design ensures notebook safety, get ready to work comfortably!