Walking wind source, cool in the summer, portable USB charging, can be connected to the power plug, charging treasure, computer and other devices, give you unrestricted use experience. Cylindrical body design with base, smooth placement on the desktop, not easy to tip over. Preferred all-copper DC motor, effectively reduce carbon brush friction noise, high speed and low power consumption, smooth and quiet operation. Three gears of wind power to meet your different needs. Made from abs material, measuring 6.93*3.07*1.38 inches, this custom long-lasting portable usb mini fan. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Tailored branding: Supports logo imprint and design personalization. Product Highlights: Compact size, lightweight, easy to carry.