18 dB ultra-quiet operation: The 6 fan quietly uses a hanging high-precision brushless motor. The surroundings are quiet when in use. The minimum is only 18 decibels. Just the natural wind, it just feels cool, but after there is some rough noise, no embarrassing use, high-quality fans hope in the day and the quality of sleep. Equipped with 5 gear setting: The fan is equipped with 5 wine settings, digital display 1 sleeping wind, 2 natural wind, 3 refreshing wind, 4 wind, weak alternating wind. Multiple gears suit different usage scenarios and people, meet your usage requirements anytime and anywhere and the best user experience. Rechargeable USB Battery Fan: Portable fan can be used with USB charging and large capacity, long standby, bright light charging, and light completes charging, light and convenient to carry, also comes with USB charging cable. can be recharged, can be used outdoors without worrying about you. High quality and thoughtful gift: This rechargeable USB fan perfect appearance and a perfect structure. The touch is also equipped with an electronic quick indicator that is practical and advanced. It is the best.