A professional USB cooling fan for computer case or computer cabinet, use it to improves heat dissipation and cools down the computer, so as to prevents over-heating, system malfunction and other issues. Low noise, it will not affect your using experience. Features -Color: Black -Material: ABS -Size: 12.00X12.00X2.50cm/4.72X4.72X0.98 in. -Voltage: 5V -Speed: 1200RPM -Noise: 18DB - A must have for computer, a helpful tool to ensure the normal operation of your device. - Provide strong ventilation performance, lower computer case's temperature fast, effectively and quietly. - Prevents overheating from long hours of gaming and further prolongs the life span of the computer. - Whether you are working or you are a , this cooler will keep your system in good statue. - The precise compact design allows this cooler to seamlessly fit the computer case or computer cabinet. Package list: 1 x computer cooling fan