This USB adjustable speed welding fume absorber helps keep your workspace clean and free from harmful fumes. It features adjustable speed settings, a durable plastic construction, and compatible ducting for versatile use. Ideal for amateurs, DIY enthusiasts, and those using soldering irons or other tools that generate smoke. Suitable for use in kitchens, bathrooms, or workshops to maintain clean air. Effective for both small and large projects, this extractor fan supports comfortable and productive work environments. Can be connected to a pipe with a diameter of 8cm. (Note: Fan only, duct not included.) Power supply: USB 5V Power: 5W Noise level: 50-70 dB(A) Product use precautions: 1. Use a power bank or mobile charger with 5V/2A or higher output; insufficient power may cause weak motor performance or failure to start. 2. Do not insert foreign objects into the rotating fan to avoid damaging the blades. Color: Black Material: Plastic + Metal Package Contents: 1 x USB Fan Note: Light reflection and differences in display screens may cause slight variations in color between the product image and the actual item. Measurement may vary by +/- 1-3 cm.