Description‎:‎USB Programmable  LED Message Cool Fan Mini Advertising Fan Cool GadgetSpecifications‎:‎ Working voltage‎:‎ USB Interface or DC 5VFlexible Metal Length‎:‎ Approx‎.‎ 8.7 inch / 22cmFan Color‎:‎ WhiteLED Color‎:‎GreenBlue LED Fan‎:‎Green LED Fan‎:‎Features‎:‎ Blades made from PVC plastic‎,‎ soft‎,‎ use safely‎.‎Energy efficient‎,‎ Environmental Friendly‎.‎Low Noise‎,‎ Clear Readable LED Characters‎.‎Suitable for PC and Note book with USB Port‎,‎ Compatible with USB1.0 and USB2.0‎.‎Plug and play‎,‎ just plug in USB Port and then switch on the breeze soft fresh breeze‎.‎The flexible metal neck can be adjusted to position the breeze anyway you wish‎.‎Can long time rotating the font without jitter and flicker ring‎.‎The fan blade is provided with LED soft board‎,‎ you can change the LED texts and patterns freely as you want‎!‎Each support up to 16 characters to displayLightweight and Compact Size‎,‎ easy to carry‎!‎Note‎:‎Don‎'‎t close the spinning fan to face and hair‎.‎Don‎'‎t touch the spinning fan blades or force to stop‎!‎Package included‎:‎ 1x USB Flexible Fan with LED Luminous Letters1x USB Cable‎(‎For changing the Led text or patterns‎)‎1x CD Driver‎(‎Inside has course and software about how to change the Led text or patterns‎)‎USB Programmable FileSoftware‎:‎