Description: brand new and high quality Feature: 3 adjustable wind speed level, You could adjust appropriate fan speed according to your needs. 7 PP fan blades, high and strong wind power, but low noise. Built-in large battery capacity, long standby for time, low power consumption. Can be powered by USB port and the fan is for most computers, laptops, portable chargers and other devices with USB output. Compact size and light weight, easy to carry and can put it in your handbag. Suitable for home, room, office, travel, school and so on. Warm Tips: When charging the battery, the fan must not be used. Specifications: Item Type: Mini Fan Material: ABS Size: 179x75x47.5mm/7.04x2.9x1.8in Color: White, Pink, Green, Black(Optional) Fan blades: 7 PP fan blades (high wind force) Wind speed: adjustable three gears: first gear breeze, second gear natural wind, third gear strong wind Output power: 3W Input current: for DC 0.5A -1A Output voltage: DC3V-5V Input voltage: DC3.7V Power supply: built-in polymer battery/USB/charging treasure Quantity: 1 PC Note: Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Includes: 1 x Mini Fan 1 x Base Holder 1 x Data Cable