ONXE USB LED Clock Fan with Real Time Display Function,USB Clock Fans,Silver,1 Year Warranty PVC soft fan blades for safety, mental flexible neck. Simply plug into any USB port on notebook or PC to create a gentle refreshing breeze. Gently adjust the flexible neck to positon the cool breeze anywhere you wish. Real-time Clock display. No driver installation required. Keep cool and display cool messages at your office or on the go with the USB LED Message Fan.USB FAN 1 year warranty,Fan only through ONE TWO brand stores sales, other stores selling fake, do not enjoy 1 year warranty service