5Pcs Mini USB Fan Governor Wind Speed Controller Air Volume Regulator Cooling Mute Multi Function Fan Speed Switch

Efficient Speed Regulation: Easily control the wind speed of your USB fan with this versatile speed controller. Suitable compatible with 5 pieces, it allows precise adjustment to meet your cooling needs.<br> Quiet Operation: Designed with a mute function, this regulator ensures a noise-free environment, perfect compatible with work or sleep.<br> Multi-Function Design: More than just a speed adjuster, this device also acts as an air volume regulator, enhancing the functionality of portable fans.<br> Compact and Portable: Its mini size makes it easy to carry and use anywhere, powered conveniently by DC 5V.<br> Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use.<br> Color:As Shown<br> Material:PCB<br> Package Contents:<br> 5 * Mini USB Fan Governor<br> Only the above package content, other products are not included.<br> 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.