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Guangzhou Dtech Electronics Technology Co. Ltd's OT0111004 cooling pad for laptops has a four-port USB 2.0 hub and card reader. It features two 70x70mm fans with 28CFM airflow rating at 1,500rpm, and 25dBA noise level.
The cooling pad has a rated voltage of 5V DC and supports plug-and-play USB connection. It adopts an extremely heavy-duty construction and measures 300x155x20mm.
Guangzhou Dtech Electronics Technology Co. Ltd Booth no. 10M28