Mini and practical USB PC LED Flexible Fan with Flash input Editable Message- Use of powerful micro motor with high life， strong wind and low noise- Can long time rotating the font without jitter and flicker ring- Applicable to USB interface with the various types of computer or electrical equipment， compatible with USB 1.1 and USB 2.0- USB interface DC 5V of direct power supply， also can be an external power supply， energy saving and environmental protection- The fan body metal hose bendable make USB fan blowing in any direction- Fan blade with LED Luminous software board， rotation can show LED advertising characters or patterns- You can add text， letters and digital or pattern freely- Each support up to 16 characters to display- Various display content， support from left to right or right to left display verbatim- Also can form the middle to both sides or form both sides to the middle， can be sequential or reverse rotating to display- Personalized rewrite content with PC and software， memory capacity up to 2K (400 words in English)- With ON/OFF switch on the fan- Voltage: USB interface or DC 5VPaccking Include:- 1x USB Flexible Fan with LED Luminous Letters- 1x USB Cable- 1x CD Driver