The USB Adjustable Speed Detachable Blower features a 75mm duct design with 5500 RPM for efficient heat dissipation, smogs exhaust, and combustion assistance, offering a removable fan unit for easy cleaning and maintenance Equipped with a 12V input port and USB 5V boosts speed control cable, this compact blower supports power from USB adapters or portable chargers, ensuring hassle release installation in confined spaces Built with sturdy ABS housing, this multifunctional duct fan delivers 5500 RPM airflows for professional grades ventilation while maintaining portability for mobile applications Optimize thermal management in workshops, server cabinets, or outdoor BBQ setups with its focused air systems that enhances cooling and smogs efficiency Designed for craft enthusiasts, electronics technicians, and blacksmiths requiring precise airflows control in equipment racks, printers, or ventilation systems, Manufacturer: TFAOYS