PVC soft fan blades are safe to use and the gooseneck is flexibly bent. Gently adjust the flexible neck to the position you need to keep cool in any position. | Ideal for desktops and laptops, simply plug in any USB port on your laptop or PC without installing a driver. | Gently adjust the flexible neck to positon the cool breeze anywhere you wish. | The Temperature clock fan is a USB fan with a special blade that creates an LED clock face!