【Wide application】When your Electronic equipment or some small places are overheating, a cooling fan comes in handy. It keeps the device, small places cool down, or air exchanged. Bring the air by this cooling fan to your Electronic equipment, any other small places like animals and plants growing up that you need to cool down, or air exchange. Such as your Xbox, ps4, Sound System, Amplifier, Radio, Receiver, Audio Equipment, Server, Refrigerator, Internet gateway, Computer Case, Vintage sink closet, Dried meat box, DIY humidifier