3 wind speeds: From gentle breeze to strong wind, this portable fan can bring you coolness and soothing. Mini Powerful Desk Fan: This USB-powered desk fan is equipped with an upgraded DC motor to keep you cool and refreshed all day long, perfect for home, bedroom, bedside, , desk, dormitory and other places. Upgraded Fan: Portable fan with 250ml water tank (uses mineral water) and function. Press the button to turn on/off the mode, giving your skin a refreshing cool experience. Ultra-quiet operation: Our desk fan adopts an acoustically designed airflow system, which can significantly reduce motor and fan noise to 30 decibels, ensuring a quiet environment for work, leisure or sleep. The removable and washable front cover is easy to clean.