Metal mesh front panel and dual 140mm fans 4 USB ports Two viewing angles Anti-slip buckle     FeaturesPortable & slim design.Metal mesh front panel and dual 140mm fans provide excellent cooling performance.4 USB ports for additional USB devices.Fan speed adjustable for the balance between performance and airflow.Two viewing angles available for the most comfort in use.Anti-slip buckle to protect your notebook safety.  Application ForCompatible with 15.6" notebooks and below.   Technical Spec 

Overall Dimension382X262X24mm	Fan Dimension140X140X15mm	Net Weight793g	Bearing TypeHydro Bearing
Rated Voltage5VDC	Operating Voltage4.5~5VDC	Started Voltage2.4VDC	Rated Current0.26±10%~0.40±10%A
Power Input1.3~2.0W	Fan Speed700±150~1200±10%RPM	Max. Air Flow115CFM	Noise21.5~26.5dB(A)

Product Dimension

Cooler for Notebook with metal mesh and 140mm fan