This USB adjustable speed welding fume absorber helps maintain a clean workspace by removing harmful fumes. It features adjustable speed settings and is constructed with durable plastic and ducting for reliable performance. Designed for hobbyists, DIY enthusiasts, and individuals using soldering irons or other tools that generate smoke. Suitable for use in kitchens, bathrooms, or workshops to improve air quality. Ideal for both small and large projects, this extractor fan supports a comfortable and productive environment. Compatible with an 8cm diameter pipe. (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 result in 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 compared to the actual item. Measurement may vary by +/- 1-3 cm.