Optimal Cooling Solution: Enhance your device's performance with our 140mm computer cooling fan, designed to maintain optimal temperatures and prevent overheating USB Powered Convenience: Easily power this fan through a 5V USB connection, making it perfect for use with TV receivers, computers, and other electronics Adjustable Speed Settings: Tailor cooling intensity with 3 speed options (low, medium, high) reaching up to 2800RPM for customized airflow and noise control Quiet Operation: Engineered for silent performance, our fan ensures a quiet environment, ideal for work or entertainment areas Portable and Multifunctional: and versatile, this fan can be used in various settings, providing a cooling breeze wherever needed Due to different batches, there may be differences in product appearance and printed text, which not affect use Color:Black Material:ABS Package Contents: 1 * Computer Cooling Fan Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.