Moshi Zefyr is the slimmest portable Macbook cooler. It is USB-powered and comes with an ultra-silent fan (<20db). It is capable of reducing 5-7 degree °C from the normal temperature. It measures 19.8 x 9.8x 1.5cm and compatible with MacBook 13 and Macbook Air. You can choose from titanium silver or platinum black color. The Moshi Zefyr cooler is available for $75. More pictures after the break.

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