ETONG USB Misting Fan Portable Humidifier Fan Rechargeable Misting Fan Handheld Personal Cooling Mist Humidifier Fan (Blue) Beauty replenishment fan: Functional personal fan, rechargeable USB mini cooling fan and beauty humidifier 2 in 1. Please fully charged the fan for 8 hours to activate the battery before firstly use. Light weight: 265g; Handheld portable fan, light-weight and handle design , convenient to carry with when running, hiking, fishing, sunbathing etc. Powered by built-in rechargeable battery, with 3 modes: First-Fan Mode, Second-Misty Mode, Third-Fan+Misty. Really cools you down. With a 40mL Humidifing Water Tank, The 1-hour Automatic Shut-off Prevents Potential Harm from Running without Water. Safe to use. NOTE: Brand new fan: a little water remain in the sink is mormal because all of them has been well tested before shipping.