Mini portable fan with humidifier function, USB rechargeable, quiet, 3 speeds, ideal for home, office and travel

【Activate the Humidification Function】 The high-speed rotating fan combined with the water mist can instantly generate cool air, easily dispelling the heat. (Note: After the first addition of water, you must wait 3 minutes for normal use.) 【Quiet Operation】 Thanks to its low noise level, the fan is the perfect companion for your office, living room, or bedroom. 【Powerful Portable Fan】 The mini portable fan has 3 adjustable wind speeds. Simply press and hold a button to switch between the different wind speeds. 【Super Long Working Time】 This portable fan has a built-in 4000mAh high-capacity rechargeable battery, allowing you to charge your mini portable fan anytime with any USB device. Depending on the airflow setting, it can be used continuously for 8 to 15 hours. Our portable fan batteries last 20% longer than most portable fans on