Portable Fan,JUSTUP New Flexible Gooseneck Mini USB Powered LED Cooling Flashing Real Time Display Function Clock Fan for PC Laptop Notebook Desktops--silver Ideal for desktop computers and laptops, there is no driver setup needed Use the power button to change the time and turn on and off The Clock Fan is a USB fan with special blades that create an LED clock face! Great gadget gifts and stocking fillers for men! It measures around 41 cm x 8.9 cm x 2 cm with a posable wire