Product Details: Product Description: This is a 4-inch small USB desktop fan, a mini silent fan with a metal structure, strong airflow and 360～ adjustable tilt angle. It can be used as a personal cooling fan for desktop office use. Specifications: Product Name: Small USB Desktop Fan Voltage Power: DC5V 2.5W Product Size: 14.5 x 8.5 x 14.1 cm/5.7 x 3.35 x 4.5 inches Product Weight: 290 grams Package Contents: 1 * Black Mini Metal Personal Fan Features: Easy to control: With ON/OFF one-button switch, easy to operate. Multi-function power supply: Powered by a USB plug, it can be used not only indoors but also outdoors. Just plug it into a mobile power supply and it will immediately generate a strong and cool wind. Adjustable Angle: The personal fan can be tilted vertically up and down, and the connection between the desk fan and the clip base can be rotated 360～. Precautions for use: Place it in a place where it cannot be touched. If sparks, smoke or odor occur during use, please turn off the power switch, unplug the plug from the computer device, and contact the store where you purchased it to deal with the situation. Do not put liquids, metals or other unusual objects into the internal fan. Do not place this product in heavy water, humid environments, direct sunlight, hot smoke, cars, heating rooms or other high-temperature places. If you do not use this product for a long time, please unplug it from the USB socket. Powerful and quiet: The table fan adopts an upgraded motor, which runs fast and produces a strong airflow to cool you down quickly. At the same time, it runs quietly and will not disturb your rest and work. Full metal structure: This small silent table fan adopts a full metal shell with anti-rust coating, which is very durable. Compared with plastic blades, the metal blades of this USB fan produce more stable wind and are not easy to deform. USB powered fan: With a 3.9FT/1.2m USB cable, the table fan can be powered by your laptop, mobile power or adapter. It has a low power consumption of 3W, which can save energy and reduce electricity bills. Small and portable: The 6-inch desktop mini fan takes up little space on the desktop and is lightweight, making it the perfect personal fan for use in home, office, bedroom, car, library, dorm, study, game room, etc. 360～ Adjustable Tilt: The desktop office fan can be adjusted 360 degrees up and down for directional cooling. This not only enhances the stability of the fan, but also prevents the desktop from being scratched. Product Name: USB Desktop Fan, Casewin 4-inch Silent Mini Desktop Cooling Fan with Adjustable Head for Home, Office and Travel - Black