USB Fan Clock The Clock Fan is a USB fan with special blades that create an LED clock face! Use the power button to change the time and turn on and off. Ideal for desktop computers and laptops, there is no driver setup needed. It measures around 41 cm x 8.9 cm x 2 cm with a posable wire. Great gadget gifts and stocking fillers for men! Warning: Not a toy! Keep away from moving blades. Min Age: 12 Years