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• DIY your personal message and light it up on the fan
• Put the CD into your PC and follow the instruction to program message
• Insert the fan into any USB power ports to display flashing message
• Red and green LED colors are available

Specifications

Numbers of LED: 11 
Power Supply: USB 
Input Voltage: DC 5V

Dimension : 33 x 2.5 x 2.5 cm

What in the box: 1 x LED Fan， 1 x CD， 1 x USB Cable

Warranty: 3 Months for manufacturing defects only