Brand new and high quality. Made of high quality materials, durable. USB Solder Fume Absorber ESD Fume Exhaust Fan for air circulation. Keep you clean and safe with its powerful smoke exhaust function. Designed for convenience and efficiency, this ESD smoke exhaust fan features 1 speed setting for flexible ventilation. Its compact size and weight make it ideal for use on the go. Whether you're a professional electrician or a DIY enthusiast, our USB solder fume absorber is a must-have tool for anyone working with electronics. It effectively removes harmful fumes, ensuring a healthier working environment. From kitchens to bathrooms, our versatile USB exhaust fans can be used in a variety of environments. Eliminate odors and improve air circulation in your home, office or workshop. Experience the power of clean air. Its high-speed rotation and efficient oil bearings, while its universal compatibility allows for easy charging via USB and power banks. Easier wherever you go! Can be connected to a pipe with a diameter of 8cm.(Note: Only the fan, not the duct.) Power supply:USB5V Power:2.5W Speed:3500±10% rpm Air volume:44CFM Noise:37-40 db-A Product use precautions: 1. You must use a power bank and mobile phone charger with 5V2A or above, otherwise the insufficient power of the USB power supply will cause the motor to work weakly or even unable to start! 2. Do not put foreign objects into the rapidly rotating fan, which may easily damage the fan blades. Colour:Black Material:Plastic+Metal Package Contents: 1 * USB Fan Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.