Description: [2-Speed Adjustment] The fan has a 2-speed adjustment function, and the wind can be controlled freely. Infinitely variable speed adjustment without the limitation of a specific fan speed setting maximizes your comfort. [Double-head Design] The design of the dual-fan head, taking into account the main and co-pilots at the same time. [Easy to Use] This fan is easy to use. Just plug into a power outlet with a USB port . When you install or remove the car fan from the handle, you need to tighten the swivel nut on the bottom. .