1. This cooling fan is designed for P5 Pro/ P5 Slim optical and digital hosts. 2. Equipped with intelligent temperature sensing function, it can automatically adjust the air speed according to the temperature of the host computer with three adjustable air speeds to dissipate heat more efficiently. 3. Equipped with a USB 3.0 expansion port. 4. The cooling fan comes with a blue glow. Colour:grey Material:ABS Due to different batches, there may be differences in product appearance and printed text, which not affect use Package Contents: 1 * 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.