【14cm USB Fan】USB cooling fan, perfect for cooling various electronics and components, noise only 23dB (Low Speed) while working.You can use it anywhere with a USB power supply. It is not recommended to connect to a USB hub. 【L/M/H Speed】The speed controller is designed for controlling the airflow level. The pc cooling fan computer fan can meet your different needs. 【High Quality】140mm fan double ball bearings have a service life of up to 45,000 hours, and 7 blades generate strong airflow to keep the cabinet cool 【Place Anywhere】140mm case fan can be laid flat or stand upright. Great for narrow space: Laptop, receivers, AV electronics and game consoles... 【Full Protection】USB silent fan Aluminum grill on both side protect your hand or prevent damage cord when operating.
