This traditionally styled electric fan with chrome safety grill is ideal for keeping your cool whilst working on your computer and will work with any USB port PC or Mac. If experience is anything to go by and you’re using Windows Vista you’ll certainly need this fan and more than probably a good handful of Vicodin to keep your cool but anyway I digress. Features adjustable positions and automatic oscillation. Ideal for laptop/notebook users. Fan dimensions are as follows: length 12cm height 19cm width 10cm.