for Top Fan The Black Usb Port Supports 2.0 Data Transmission, And The White Sub-Interface Supports Charging, Which Can Provide Power For Handle Controllers, Mobile Phones, Etc. Both Cd-Rom Version And Digital Version Are Common There Are Two Built-In High-Speed Fans, Which Can Accelerate The Top Of The Host To Quickly Dissolve And Suck In Cold Air, Reduce The Temperature Inside The for Host, And Have A More Obvious Heat Dissipation Effect And Low Noise. The Cooling Fan Has 3 Gears And Is Switch. The Low Gear Is Orange 4000 Rpm, The Second Gear Is Blue 4200 Rpm, And The High Gear Is Green 4500 Rpm. 7 Kinds Of Rgb Lighting Effects, Dustproof And Waterproof 1. Rated Voltage 5V, Rated Current 2.4A 2. for Color Dustproof Cooling Fan Helps Prevent for Console 3. From Overheating And Dust, And Prolongs The Service Life Of . for Cooling Fan Supports Colored Lights, And Can Change The Light Color Through Touch Switch. The First Mode Is The Running Water Mode, The Second Mode Is Running Mode, The Third Mode Is The Breathing Light Mode, The Fourth Mode Is The Dead Blue Mode, The Fifth Mode Is Red, The Sixth Mode Is Green, And The Seventh Mode Is Dark Blue. The Light Bar Has A Memory Function, And When It Is Turned Off And Turned On Again, It Is The Same Color. The Fan Is The Main Switch, And The Light Bar Can Also Operate Separately When The Fan Is Off. You Can Use The Touch Switches To Change The Colors You Like And Have More Atmosphere During . 4. There Are 2 Usb Ports, One Black 2.0 Usb Interface Supports 2.0 Data Transmission, And The Other White 2.0 Sub-Interface Can Charge More Products, Such As Controllers, Mobile Phones, Small Desk , Etc. It Is Convenient To Provide A Usb Port During Gameplay. Colour:White Material:ABS Size:27x9.6x8cm Package Contents: 1 * Top Dust Fan 1 * English Manual 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.