Notebook cooling pad+USB2.0 4 port hub HNBC-2H, is made of plastic and Aluminum. It is suitable for 12” or 17” notebook use. It has been designed into durable plastic construction. There 2 cooling fans integrated on the pad, which can be good for the heat dissipation of the fan, the fan size is 70 x 70 x 10 mm (L x W x H), and the fan speed gets 2500rpm max. The fan works very quietly, and its noise level is only 25dB max. There is no skip platform for the cooling pad. The cooling pad can offer the most ergonomic and comfortable viewing height by lifting notebook in 4 adjustable viewing angles (15, 30, 45, 60 degree).

The design of the pad is in the fold flat for compact storage, it is so portable for use easily.The power of the pad needs Voltage 5V±5% for support. Or the cooling pad can work by the outside power supply (Power Adapter AC 100~240V, 50~60Hz; DC 5V).The size of the cooling pad is 360 x 260 x 30 mm (L x W x H).The accessories of the package is formed of: Power Cable & Adaptor, USB Cable, User's Manual,