Features: Our magnetic base USB fan is easily attached and removed with its ultra-strong magnetic base, attach to smooth non-metal surfaces. Whether being used on your sewing machine, desk, workbench lamp, in your workshop, your garage and more. This portable USB fan is powered by USB and for PC/laptop, power bank, AC adapter, car charger, other USB-enabled power supply etc. Mini fan perfect for use in home, car, office, desktop. Not only for ideal for a workbench, sewing machine, lathe, drilling machine, milling machine, but also for home office outdoor. 3-speed USB fan and Flexible Gooseneck and Magnetic Base for Sewing Machine metal bed and more. Powered by Laptop/PC/power Bank/USB charger/Wall charger with USB port. Specifications: Powered by USB port Voltage: for DC 5V 2A Material: Plastic Output Power: 5W Fan diameter: 11.5cm/4.5inch Color: White,Green,Purple USB Power cable totall length: about 128cm Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1x USB Fan with Magnetic Base