This USB adjustable speed welding fume absorber helps maintain a clean and safe workspace by removing harmful fumes. Designed with adjustable speed settings, a durable plastic construction, and compatibility with 8cm diameter ducting, this compact extractor fan is suitable for various environments. Ideal for amateurs, DIY enthusiasts, and professionals using soldering irons or other tools that generate smoke. Use in workshops, kitchens, or bathrooms to improve air quality. The fan connects via USB and operates at a noise level of 50-70 dB(A). Power requirements: 5V USB power supply (5W). For optimal performance, use with a power source rated at 5V/2A or higher to ensure stable motor operation. Product precautions: - Use a compatible 5V/2A or higher power source to prevent weak motor performance or startup failure. - Do not insert foreign objects into the rotating fan to avoid damaging the blades. Color: Black Material: Plastic and metal Package includes: 1 x USB Fan (duct not included) Note: The package includes only the items listed. Lighting and display differences may cause slight color variations between the product image and actual item. Measurement may vary by +/- 1-3 cm.