Xcellent Global Handheld USB Misting Fan Built-in Rechargeable Portable Mini Water Spray Fan with Personal Cooling Humidifier for Home Office and Travel (Green) HG129 3 Modes: First-Fan Mode, Second-Misty Mode, Third-Fan+Misty Transparent Water Sank: Easy to suspect water level and refill in time Powered by rechargeable battery with a micro USB port, can be charged by power bank, computer or USB outlet, Light-weight and handle design,convenient to carry anywhere and anytime Multi functional: work as A Humidifier: Create a moist environment in the office or home, purify air and moisturize your skin Note: Brand new fan: a little water remain in the sink is mormal because all of them has been well tested before shipping